Home / 98,441.10-147,661.65-72,002.70

Finding the Fourth Proportional to 98,441.10, 147,661.65 and 72,002.70

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Solution

The fourth proportional to 98,441.10, 147,661.65 and 72,002.70 is: 108,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,441.10 : 147,661.65 = 72,002.70 : x
  2. Step 2: Convert to fraction form
    98,441.10/147,661.65 = 72,002.70/x
  3. Step 3: Cross multiply
    98,441.10x = 147,661.65 × 72,002.70
  4. Step 4: Simplify right side
    98,441.10x = 10,632,037,486.46
  5. Step 5: Solve for x
    x = 10,632,037,486.46/98,441.10
  6. Step 6: Final answer
    x = 108,004.05

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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.