Home / 648,025.20-972,037.80-174,758.40

Finding the Fourth Proportional to 648,025.20, 972,037.80 and 174,758.40

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Solution

The fourth proportional to 648,025.20, 972,037.80 and 174,758.40 is: 262,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,025.20 : 972,037.80 = 174,758.40 : x
  2. Step 2: Convert to fraction form
    648,025.20/972,037.80 = 174,758.40/x
  3. Step 3: Cross multiply
    648,025.20x = 972,037.80 × 174,758.40
  4. Step 4: Simplify right side
    648,025.20x = 169,871,770,667.52
  5. Step 5: Solve for x
    x = 169,871,770,667.52/648,025.20
  6. Step 6: Final answer
    x = 262,137.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.