Home / 220,200.48-303,890.40-124,711.20

Finding the Fourth Proportional to 220,200.48, 303,890.40 and 124,711.20

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Solution

The fourth proportional to 220,200.48, 303,890.40 and 124,711.20 is: 172,109.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,200.48 : 303,890.40 = 124,711.20 : x
  2. Step 2: Convert to fraction form
    220,200.48/303,890.40 = 124,711.20/x
  3. Step 3: Cross multiply
    220,200.48x = 303,890.40 × 124,711.20
  4. Step 4: Simplify right side
    220,200.48x = 37,898,536,452.48
  5. Step 5: Solve for x
    x = 37,898,536,452.48/220,200.48
  6. Step 6: Final answer
    x = 172,109.24

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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.