Home / 122,839.83-169,516.98-69,124.82

Finding the Fourth Proportional to 122,839.83, 169,516.98 and 69,124.82

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Solution

The fourth proportional to 122,839.83, 169,516.98 and 69,124.82 is: 95,391.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,839.83 : 169,516.98 = 69,124.82 : x
  2. Step 2: Convert to fraction form
    122,839.83/169,516.98 = 69,124.82/x
  3. Step 3: Cross multiply
    122,839.83x = 169,516.98 × 69,124.82
  4. Step 4: Simplify right side
    122,839.83x = 11,717,829,881.86
  5. Step 5: Solve for x
    x = 11,717,829,881.86/122,839.83
  6. Step 6: Final answer
    x = 95,391.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.