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Finding the Fourth Proportional to 125,537.71, 173,241.26 and 75,236.71

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Solution

The fourth proportional to 125,537.71, 173,241.26 and 75,236.71 is: 103,826.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,537.71 : 173,241.26 = 75,236.71 : x
  2. Step 2: Convert to fraction form
    125,537.71/173,241.26 = 75,236.71/x
  3. Step 3: Cross multiply
    125,537.71x = 173,241.26 × 75,236.71
  4. Step 4: Simplify right side
    125,537.71x = 13,034,102,062.47
  5. Step 5: Solve for x
    x = 13,034,102,062.47/125,537.71
  6. Step 6: Final answer
    x = 103,826.19

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1.5x scale

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.