Home / 89,437.28-134,147.66-30,266.15

Finding the Fourth Proportional to 89,437.28, 134,147.66 and 30,266.15

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Solution

The fourth proportional to 89,437.28, 134,147.66 and 30,266.15 is: 45,396.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,437.28 : 134,147.66 = 30,266.15 : x
  2. Step 2: Convert to fraction form
    89,437.28/134,147.66 = 30,266.15/x
  3. Step 3: Cross multiply
    89,437.28x = 134,147.66 × 30,266.15
  4. Step 4: Simplify right side
    89,437.28x = 4,060,132,377.64
  5. Step 5: Solve for x
    x = 4,060,132,377.64/89,437.28
  6. Step 6: Final answer
    x = 45,396.42

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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.