Home / 122,565.15-169,159.59-114,560.73

Finding the Fourth Proportional to 122,565.15, 169,159.59 and 114,560.73

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Solution

The fourth proportional to 122,565.15, 169,159.59 and 114,560.73 is: 158,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,565.15 : 169,159.59 = 114,560.73 : x
  2. Step 2: Convert to fraction form
    122,565.15/169,159.59 = 114,560.73/x
  3. Step 3: Cross multiply
    122,565.15x = 169,159.59 × 114,560.73
  4. Step 4: Simplify right side
    122,565.15x = 19,379,046,116.90
  5. Step 5: Solve for x
    x = 19,379,046,116.90/122,565.15
  6. Step 6: Final answer
    x = 158,112.20

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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.