Home / 220,219.52-303,908.56-124,724.80

Finding the Fourth Proportional to 220,219.52, 303,908.56 and 124,724.80

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Solution

The fourth proportional to 220,219.52, 303,908.56 and 124,724.80 is: 172,123.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,219.52 : 303,908.56 = 124,724.80 : x
  2. Step 2: Convert to fraction form
    220,219.52/303,908.56 = 124,724.80/x
  3. Step 3: Cross multiply
    220,219.52x = 303,908.56 × 124,724.80
  4. Step 4: Simplify right side
    220,219.52x = 37,904,934,364.29
  5. Step 5: Solve for x
    x = 37,904,934,364.29/220,219.52
  6. Step 6: Final answer
    x = 172,123.41

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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.