Home / 99,428.24-149,098.44-52,670

Finding the Fourth Proportional to 99,428.24, 149,098.44 and 52,670

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Solution

The fourth proportional to 99,428.24, 149,098.44 and 52,670 is: 78,981.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,428.24 : 149,098.44 = 52,670 : x
  2. Step 2: Convert to fraction form
    99,428.24/149,098.44 = 52,670/x
  3. Step 3: Cross multiply
    99,428.24x = 149,098.44 × 52,670
  4. Step 4: Simplify right side
    99,428.24x = 7,853,014,834.80
  5. Step 5: Solve for x
    x = 7,853,014,834.80/99,428.24
  6. Step 6: Final answer
    x = 78,981.73

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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.