Home / 125,107.31-172,652.24-68,521.79

Finding the Fourth Proportional to 125,107.31, 172,652.24 and 68,521.79

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Solution

The fourth proportional to 125,107.31, 172,652.24 and 68,521.79 is: 94,562.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,107.31 : 172,652.24 = 68,521.79 : x
  2. Step 2: Convert to fraction form
    125,107.31/172,652.24 = 68,521.79/x
  3. Step 3: Cross multiply
    125,107.31x = 172,652.24 × 68,521.79
  4. Step 4: Simplify right side
    125,107.31x = 11,830,440,189.70
  5. Step 5: Solve for x
    x = 11,830,440,189.70/125,107.31
  6. Step 6: Final answer
    x = 94,562.34

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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.