Home / 122,385.29-183,407.07-66,104.06

Finding the Fourth Proportional to 122,385.29, 183,407.07 and 66,104.06

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Solution

The fourth proportional to 122,385.29, 183,407.07 and 66,104.06 is: 99,063.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,385.29 : 183,407.07 = 66,104.06 : x
  2. Step 2: Convert to fraction form
    122,385.29/183,407.07 = 66,104.06/x
  3. Step 3: Cross multiply
    122,385.29x = 183,407.07 × 66,104.06
  4. Step 4: Simplify right side
    122,385.29x = 12,123,951,959.70
  5. Step 5: Solve for x
    x = 12,123,951,959.70/122,385.29
  6. Step 6: Final answer
    x = 99,063.80

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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.