Home / 122,897.29-169,679.82-77,025.88

Finding the Fourth Proportional to 122,897.29, 169,679.82 and 77,025.88

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Solution

The fourth proportional to 122,897.29, 169,679.82 and 77,025.88 is: 106,346.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,897.29 : 169,679.82 = 77,025.88 : x
  2. Step 2: Convert to fraction form
    122,897.29/169,679.82 = 77,025.88/x
  3. Step 3: Cross multiply
    122,897.29x = 169,679.82 × 77,025.88
  4. Step 4: Simplify right side
    122,897.29x = 13,069,737,453.74
  5. Step 5: Solve for x
    x = 13,069,737,453.74/122,897.29
  6. Step 6: Final answer
    x = 106,346.83

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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.