Home / 149,890.92-206,795.61-96,205.47

Finding the Fourth Proportional to 149,890.92, 206,795.61 and 96,205.47

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Solution

The fourth proportional to 149,890.92, 206,795.61 and 96,205.47 is: 132,728.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,890.92 : 206,795.61 = 96,205.47 : x
  2. Step 2: Convert to fraction form
    149,890.92/206,795.61 = 96,205.47/x
  3. Step 3: Cross multiply
    149,890.92x = 206,795.61 × 96,205.47
  4. Step 4: Simplify right side
    149,890.92x = 19,894,868,853.99
  5. Step 5: Solve for x
    x = 19,894,868,853.99/149,890.92
  6. Step 6: Final answer
    x = 132,728.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.