Home / 142,402.20-213,601.26-42,560.18

Finding the Fourth Proportional to 142,402.20, 213,601.26 and 42,560.18

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Solution

The fourth proportional to 142,402.20, 213,601.26 and 42,560.18 is: 63,839.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,402.20 : 213,601.26 = 42,560.18 : x
  2. Step 2: Convert to fraction form
    142,402.20/213,601.26 = 42,560.18/x
  3. Step 3: Cross multiply
    142,402.20x = 213,601.26 × 42,560.18
  4. Step 4: Simplify right side
    142,402.20x = 9,090,908,073.83
  5. Step 5: Solve for x
    x = 9,090,908,073.83/142,402.20
  6. Step 6: Final answer
    x = 63,839.66

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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.