Home / 138,817.06-208,308.85-59,931.23

Finding the Fourth Proportional to 138,817.06, 208,308.85 and 59,931.23

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Solution

The fourth proportional to 138,817.06, 208,308.85 and 59,931.23 is: 89,932.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,817.06 : 208,308.85 = 59,931.23 : x
  2. Step 2: Convert to fraction form
    138,817.06/208,308.85 = 59,931.23/x
  3. Step 3: Cross multiply
    138,817.06x = 208,308.85 × 59,931.23
  4. Step 4: Simplify right side
    138,817.06x = 12,484,204,409.01
  5. Step 5: Solve for x
    x = 12,484,204,409.01/138,817.06
  6. Step 6: Final answer
    x = 89,932.78

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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.