Home / 189,626.76-284,213.34-88,288.20

Finding the Fourth Proportional to 189,626.76, 284,213.34 and 88,288.20

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Solution

The fourth proportional to 189,626.76, 284,213.34 and 88,288.20 is: 132,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,626.76 : 284,213.34 = 88,288.20 : x
  2. Step 2: Convert to fraction form
    189,626.76/284,213.34 = 88,288.20/x
  3. Step 3: Cross multiply
    189,626.76x = 284,213.34 × 88,288.20
  4. Step 4: Simplify right side
    189,626.76x = 25,092,684,204.59
  5. Step 5: Solve for x
    x = 25,092,684,204.59/189,626.76
  6. Step 6: Final answer
    x = 132,326.70

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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.