Home / 138,869.26-208,024.98-63,885.13

Finding the Fourth Proportional to 138,869.26, 208,024.98 and 63,885.13

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Solution

The fourth proportional to 138,869.26, 208,024.98 and 63,885.13 is: 95,699.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,869.26 : 208,024.98 = 63,885.13 : x
  2. Step 2: Convert to fraction form
    138,869.26/208,024.98 = 63,885.13/x
  3. Step 3: Cross multiply
    138,869.26x = 208,024.98 × 63,885.13
  4. Step 4: Simplify right side
    138,869.26x = 13,289,702,890.55
  5. Step 5: Solve for x
    x = 13,289,702,890.55/138,869.26
  6. Step 6: Final answer
    x = 95,699.39

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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.