Home / 99,712.27-149,217.26-62,289.91

Finding the Fourth Proportional to 99,712.27, 149,217.26 and 62,289.91

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Solution

The fourth proportional to 99,712.27, 149,217.26 and 62,289.91 is: 93,215.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,712.27 : 149,217.26 = 62,289.91 : x
  2. Step 2: Convert to fraction form
    99,712.27/149,217.26 = 62,289.91/x
  3. Step 3: Cross multiply
    99,712.27x = 149,217.26 × 62,289.91
  4. Step 4: Simplify right side
    99,712.27x = 9,294,728,949.76
  5. Step 5: Solve for x
    x = 9,294,728,949.76/99,712.27
  6. Step 6: Final answer
    x = 93,215.50

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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.