Home / 138,789.11-208,152.51-63,837.24

Finding the Fourth Proportional to 138,789.11, 208,152.51 and 63,837.24

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Solution

The fourth proportional to 138,789.11, 208,152.51 and 63,837.24 is: 95,741.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,789.11 : 208,152.51 = 63,837.24 : x
  2. Step 2: Convert to fraction form
    138,789.11/208,152.51 = 63,837.24/x
  3. Step 3: Cross multiply
    138,789.11x = 208,152.51 × 63,837.24
  4. Step 4: Simplify right side
    138,789.11x = 13,287,881,737.47
  5. Step 5: Solve for x
    x = 13,287,881,737.47/138,789.11
  6. Step 6: Final answer
    x = 95,741.53

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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.