Home / 145,306.31-217,959.12-40,124.97

Finding the Fourth Proportional to 145,306.31, 217,959.12 and 40,124.97

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Solution

The fourth proportional to 145,306.31, 217,959.12 and 40,124.97 is: 60,187.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,306.31 : 217,959.12 = 40,124.97 : x
  2. Step 2: Convert to fraction form
    145,306.31/217,959.12 = 40,124.97/x
  3. Step 3: Cross multiply
    145,306.31x = 217,959.12 × 40,124.97
  4. Step 4: Simplify right side
    145,306.31x = 8,745,603,151.23
  5. Step 5: Solve for x
    x = 8,745,603,151.23/145,306.31
  6. Step 6: Final answer
    x = 60,187.36

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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.