Home / 137,640.91-206,321.95-93,272.15

Finding the Fourth Proportional to 137,640.91, 206,321.95 and 93,272.15

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Solution

The fourth proportional to 137,640.91, 206,321.95 and 93,272.15 is: 139,813.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,640.91 : 206,321.95 = 93,272.15 : x
  2. Step 2: Convert to fraction form
    137,640.91/206,321.95 = 93,272.15/x
  3. Step 3: Cross multiply
    137,640.91x = 206,321.95 × 93,272.15
  4. Step 4: Simplify right side
    137,640.91x = 19,244,091,868.69
  5. Step 5: Solve for x
    x = 19,244,091,868.69/137,640.91
  6. Step 6: Final answer
    x = 139,813.75

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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.