Home / 159,519.26-220,146.41-87,899.27

Finding the Fourth Proportional to 159,519.26, 220,146.41 and 87,899.27

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Solution

The fourth proportional to 159,519.26, 220,146.41 and 87,899.27 is: 121,306.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,519.26 : 220,146.41 = 87,899.27 : x
  2. Step 2: Convert to fraction form
    159,519.26/220,146.41 = 87,899.27/x
  3. Step 3: Cross multiply
    159,519.26x = 220,146.41 × 87,899.27
  4. Step 4: Simplify right side
    159,519.26x = 19,350,708,732.12
  5. Step 5: Solve for x
    x = 19,350,708,732.12/159,519.26
  6. Step 6: Final answer
    x = 121,306.41

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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.