Home / 138,763.06-208,227.62-59,877.28

Finding the Fourth Proportional to 138,763.06, 208,227.62 and 59,877.28

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Solution

The fourth proportional to 138,763.06, 208,227.62 and 59,877.28 is: 89,851.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,763.06 : 208,227.62 = 59,877.28 : x
  2. Step 2: Convert to fraction form
    138,763.06/208,227.62 = 59,877.28/x
  3. Step 3: Cross multiply
    138,763.06x = 208,227.62 × 59,877.28
  4. Step 4: Simplify right side
    138,763.06x = 12,468,103,506.47
  5. Step 5: Solve for x
    x = 12,468,103,506.47/138,763.06
  6. Step 6: Final answer
    x = 89,851.75

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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.