Home / 138,807.38-208,294.02-127,514.26

Finding the Fourth Proportional to 138,807.38, 208,294.02 and 127,514.26

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Solution

The fourth proportional to 138,807.38, 208,294.02 and 127,514.26 is: 191,347.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,807.38 : 208,294.02 = 127,514.26 : x
  2. Step 2: Convert to fraction form
    138,807.38/208,294.02 = 127,514.26/x
  3. Step 3: Cross multiply
    138,807.38x = 208,294.02 × 127,514.26
  4. Step 4: Simplify right side
    138,807.38x = 26,560,457,562.36
  5. Step 5: Solve for x
    x = 26,560,457,562.36/138,807.38
  6. Step 6: Final answer
    x = 191,347.59

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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.