Home / 89,490.34-134,151.68-30,284.56

Finding the Fourth Proportional to 89,490.34, 134,151.68 and 30,284.56

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Solution

The fourth proportional to 89,490.34, 134,151.68 and 30,284.56 is: 45,398.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,490.34 : 134,151.68 = 30,284.56 : x
  2. Step 2: Convert to fraction form
    89,490.34/134,151.68 = 30,284.56/x
  3. Step 3: Cross multiply
    89,490.34x = 134,151.68 × 30,284.56
  4. Step 4: Simplify right side
    89,490.34x = 4,062,724,450.64
  5. Step 5: Solve for x
    x = 4,062,724,450.64/89,490.34
  6. Step 6: Final answer
    x = 45,398.47

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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.