Home / 189,629.76-284,217.84-88,291.20

Finding the Fourth Proportional to 189,629.76, 284,217.84 and 88,291.20

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Solution

The fourth proportional to 189,629.76, 284,217.84 and 88,291.20 is: 132,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,629.76 : 284,217.84 = 88,291.20 : x
  2. Step 2: Convert to fraction form
    189,629.76/284,217.84 = 88,291.20/x
  3. Step 3: Cross multiply
    189,629.76x = 284,217.84 × 88,291.20
  4. Step 4: Simplify right side
    189,629.76x = 25,093,934,155.01
  5. Step 5: Solve for x
    x = 25,093,934,155.01/189,629.76
  6. Step 6: Final answer
    x = 132,331.20

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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.