Home / 224,053.20-309,189.96-123,454.80

Finding the Fourth Proportional to 224,053.20, 309,189.96 and 123,454.80

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Solution

The fourth proportional to 224,053.20, 309,189.96 and 123,454.80 is: 170,365.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,053.20 : 309,189.96 = 123,454.80 : x
  2. Step 2: Convert to fraction form
    224,053.20/309,189.96 = 123,454.80/x
  3. Step 3: Cross multiply
    224,053.20x = 309,189.96 × 123,454.80
  4. Step 4: Simplify right side
    224,053.20x = 38,170,984,673.81
  5. Step 5: Solve for x
    x = 38,170,984,673.81/224,053.20
  6. Step 6: Final answer
    x = 170,365.72

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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.