Home / 89,393.08-134,298.42-84,349.24

Finding the Fourth Proportional to 89,393.08, 134,298.42 and 84,349.24

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Solution

The fourth proportional to 89,393.08, 134,298.42 and 84,349.24 is: 126,720.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,393.08 : 134,298.42 = 84,349.24 : x
  2. Step 2: Convert to fraction form
    89,393.08/134,298.42 = 84,349.24/x
  3. Step 3: Cross multiply
    89,393.08x = 134,298.42 × 84,349.24
  4. Step 4: Simplify right side
    89,393.08x = 11,327,969,660.20
  5. Step 5: Solve for x
    x = 11,327,969,660.20/89,393.08
  6. Step 6: Final answer
    x = 126,720.88

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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.