Home / 125,268.84-172,881.90-68,691.24

Finding the Fourth Proportional to 125,268.84, 172,881.90 and 68,691.24

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Solution

The fourth proportional to 125,268.84, 172,881.90 and 68,691.24 is: 94,799.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,268.84 : 172,881.90 = 68,691.24 : x
  2. Step 2: Convert to fraction form
    125,268.84/172,881.90 = 68,691.24/x
  3. Step 3: Cross multiply
    125,268.84x = 172,881.90 × 68,691.24
  4. Step 4: Simplify right side
    125,268.84x = 11,875,472,084.56
  5. Step 5: Solve for x
    x = 11,875,472,084.56/125,268.84
  6. Step 6: Final answer
    x = 94,799.89

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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.