Home / 142,225.21-213,454.46-72,124.57

Finding the Fourth Proportional to 142,225.21, 213,454.46 and 72,124.57

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Solution

The fourth proportional to 142,225.21, 213,454.46 and 72,124.57 is: 108,246.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,225.21 : 213,454.46 = 72,124.57 : x
  2. Step 2: Convert to fraction form
    142,225.21/213,454.46 = 72,124.57/x
  3. Step 3: Cross multiply
    142,225.21x = 213,454.46 × 72,124.57
  4. Step 4: Simplify right side
    142,225.21x = 15,395,311,142.08
  5. Step 5: Solve for x
    x = 15,395,311,142.08/142,225.21
  6. Step 6: Final answer
    x = 108,246.01

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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.