Home / 125,854.20-188,781.30-51,010.20

Finding the Fourth Proportional to 125,854.20, 188,781.30 and 51,010.20

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Solution

The fourth proportional to 125,854.20, 188,781.30 and 51,010.20 is: 76,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,854.20 : 188,781.30 = 51,010.20 : x
  2. Step 2: Convert to fraction form
    125,854.20/188,781.30 = 51,010.20/x
  3. Step 3: Cross multiply
    125,854.20x = 188,781.30 × 51,010.20
  4. Step 4: Simplify right side
    125,854.20x = 9,629,771,869.26
  5. Step 5: Solve for x
    x = 9,629,771,869.26/125,854.20
  6. Step 6: Final answer
    x = 76,515.30

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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.