Home / 125,118.24-172,675.59-71,411.37

Finding the Fourth Proportional to 125,118.24, 172,675.59 and 71,411.37

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Solution

The fourth proportional to 125,118.24, 172,675.59 and 71,411.37 is: 98,554.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,118.24 : 172,675.59 = 71,411.37 : x
  2. Step 2: Convert to fraction form
    125,118.24/172,675.59 = 71,411.37/x
  3. Step 3: Cross multiply
    125,118.24x = 172,675.59 × 71,411.37
  4. Step 4: Simplify right side
    125,118.24x = 12,331,000,447.46
  5. Step 5: Solve for x
    x = 12,331,000,447.46/125,118.24
  6. Step 6: Final answer
    x = 98,554.78

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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.