Home / 124,816.68-172,195.20-90,750.24

Finding the Fourth Proportional to 124,816.68, 172,195.20 and 90,750.24

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Solution

The fourth proportional to 124,816.68, 172,195.20 and 90,750.24 is: 125,197.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,816.68 : 172,195.20 = 90,750.24 : x
  2. Step 2: Convert to fraction form
    124,816.68/172,195.20 = 90,750.24/x
  3. Step 3: Cross multiply
    124,816.68x = 172,195.20 × 90,750.24
  4. Step 4: Simplify right side
    124,816.68x = 15,626,755,726.85
  5. Step 5: Solve for x
    x = 15,626,755,726.85/124,816.68
  6. Step 6: Final answer
    x = 125,197.66

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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.