Home / 138,307.36-207,461.04-38,463.52

Finding the Fourth Proportional to 138,307.36, 207,461.04 and 38,463.52

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Solution

The fourth proportional to 138,307.36, 207,461.04 and 38,463.52 is: 57,695.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,307.36 : 207,461.04 = 38,463.52 : x
  2. Step 2: Convert to fraction form
    138,307.36/207,461.04 = 38,463.52/x
  3. Step 3: Cross multiply
    138,307.36x = 207,461.04 × 38,463.52
  4. Step 4: Simplify right side
    138,307.36x = 7,979,681,861.26
  5. Step 5: Solve for x
    x = 7,979,681,861.26/138,307.36
  6. Step 6: Final answer
    x = 57,695.28

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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.