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Finding the Fourth Proportional to 125,392.84, 173,042.10 and 71,679.02

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Solution

The fourth proportional to 125,392.84, 173,042.10 and 71,679.02 is: 98,917.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,392.84 : 173,042.10 = 71,679.02 : x
  2. Step 2: Convert to fraction form
    125,392.84/173,042.10 = 71,679.02/x
  3. Step 3: Cross multiply
    125,392.84x = 173,042.10 × 71,679.02
  4. Step 4: Simplify right side
    125,392.84x = 12,403,488,146.74
  5. Step 5: Solve for x
    x = 12,403,488,146.74/125,392.84
  6. Step 6: Final answer
    x = 98,917.04

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