Home / 125,020.63-172,494.38-71,286.04

Finding the Fourth Proportional to 125,020.63, 172,494.38 and 71,286.04

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Solution

The fourth proportional to 125,020.63, 172,494.38 and 71,286.04 is: 98,355.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,020.63 : 172,494.38 = 71,286.04 : x
  2. Step 2: Convert to fraction form
    125,020.63/172,494.38 = 71,286.04/x
  3. Step 3: Cross multiply
    125,020.63x = 172,494.38 × 71,286.04
  4. Step 4: Simplify right side
    125,020.63x = 12,296,440,053.55
  5. Step 5: Solve for x
    x = 12,296,440,053.55/125,020.63
  6. Step 6: Final answer
    x = 98,355.29

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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.