Home / 125,538.57-173,242.64-68,177.49

Finding the Fourth Proportional to 125,538.57, 173,242.64 and 68,177.49

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Solution

The fourth proportional to 125,538.57, 173,242.64 and 68,177.49 is: 94,084.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,538.57 : 173,242.64 = 68,177.49 : x
  2. Step 2: Convert to fraction form
    125,538.57/173,242.64 = 68,177.49/x
  3. Step 3: Cross multiply
    125,538.57x = 173,242.64 × 68,177.49
  4. Step 4: Simplify right side
    125,538.57x = 11,811,248,015.29
  5. Step 5: Solve for x
    x = 11,811,248,015.29/125,538.57
  6. Step 6: Final answer
    x = 94,084.61

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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.