Home / 168,139.38-252,283.36-88,158.23

Finding the Fourth Proportional to 168,139.38, 252,283.36 and 88,158.23

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Solution

The fourth proportional to 168,139.38, 252,283.36 and 88,158.23 is: 132,276.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,139.38 : 252,283.36 = 88,158.23 : x
  2. Step 2: Convert to fraction form
    168,139.38/252,283.36 = 88,158.23/x
  3. Step 3: Cross multiply
    168,139.38x = 252,283.36 × 88,158.23
  4. Step 4: Simplify right side
    168,139.38x = 22,240,854,476.05
  5. Step 5: Solve for x
    x = 22,240,854,476.05/168,139.38
  6. Step 6: Final answer
    x = 132,276.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.