Home / 125,714.50-188,572.68-36,969.28

Finding the Fourth Proportional to 125,714.50, 188,572.68 and 36,969.28

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Solution

The fourth proportional to 125,714.50, 188,572.68 and 36,969.28 is: 55,454.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,714.50 : 188,572.68 = 36,969.28 : x
  2. Step 2: Convert to fraction form
    125,714.50/188,572.68 = 36,969.28/x
  3. Step 3: Cross multiply
    125,714.50x = 188,572.68 × 36,969.28
  4. Step 4: Simplify right side
    125,714.50x = 6,971,396,207.27
  5. Step 5: Solve for x
    x = 6,971,396,207.27/125,714.50
  6. Step 6: Final answer
    x = 55,454.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.