Home / 125,215.27-187,820.17-30,445.96

Finding the Fourth Proportional to 125,215.27, 187,820.17 and 30,445.96

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Solution

The fourth proportional to 125,215.27, 187,820.17 and 30,445.96 is: 45,668.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,215.27 : 187,820.17 = 30,445.96 : x
  2. Step 2: Convert to fraction form
    125,215.27/187,820.17 = 30,445.96/x
  3. Step 3: Cross multiply
    125,215.27x = 187,820.17 × 30,445.96
  4. Step 4: Simplify right side
    125,215.27x = 5,718,365,383.01
  5. Step 5: Solve for x
    x = 5,718,365,383.01/125,215.27
  6. Step 6: Final answer
    x = 45,668.27

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1.5x scale

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.