Home / 220,528.68-304,398.92-125,098.80

Finding the Fourth Proportional to 220,528.68, 304,398.92 and 125,098.80

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Solution

The fourth proportional to 220,528.68, 304,398.92 and 125,098.80 is: 172,675.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,528.68 : 304,398.92 = 125,098.80 : x
  2. Step 2: Convert to fraction form
    220,528.68/304,398.92 = 125,098.80/x
  3. Step 3: Cross multiply
    220,528.68x = 304,398.92 × 125,098.80
  4. Step 4: Simplify right side
    220,528.68x = 38,079,939,613.30
  5. Step 5: Solve for x
    x = 38,079,939,613.30/220,528.68
  6. Step 6: Final answer
    x = 172,675.68

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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.