Home / 122,684.32-169,307.03-74,963.98

Finding the Fourth Proportional to 122,684.32, 169,307.03 and 74,963.98

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Solution

The fourth proportional to 122,684.32, 169,307.03 and 74,963.98 is: 103,451.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,684.32 : 169,307.03 = 74,963.98 : x
  2. Step 2: Convert to fraction form
    122,684.32/169,307.03 = 74,963.98/x
  3. Step 3: Cross multiply
    122,684.32x = 169,307.03 × 74,963.98
  4. Step 4: Simplify right side
    122,684.32x = 12,691,927,589.42
  5. Step 5: Solve for x
    x = 12,691,927,589.42/122,684.32
  6. Step 6: Final answer
    x = 103,451.92

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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.