Home / 125,010.49-172,471.58-71,256.73

Finding the Fourth Proportional to 125,010.49, 172,471.58 and 71,256.73

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Solution

The fourth proportional to 125,010.49, 172,471.58 and 71,256.73 is: 98,309.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,010.49 : 172,471.58 = 71,256.73 : x
  2. Step 2: Convert to fraction form
    125,010.49/172,471.58 = 71,256.73/x
  3. Step 3: Cross multiply
    125,010.49x = 172,471.58 × 71,256.73
  4. Step 4: Simplify right side
    125,010.49x = 12,289,760,288.48
  5. Step 5: Solve for x
    x = 12,289,760,288.48/125,010.49
  6. Step 6: Final answer
    x = 98,309.83

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1.5x scale

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.