Home / 137,868.93-206,980.49-106,299.04

Finding the Fourth Proportional to 137,868.93, 206,980.49 and 106,299.04

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Solution

The fourth proportional to 137,868.93, 206,980.49 and 106,299.04 is: 159,585.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,868.93 : 206,980.49 = 106,299.04 : x
  2. Step 2: Convert to fraction form
    137,868.93/206,980.49 = 106,299.04/x
  3. Step 3: Cross multiply
    137,868.93x = 206,980.49 × 106,299.04
  4. Step 4: Simplify right side
    137,868.93x = 22,001,827,910.20
  5. Step 5: Solve for x
    x = 22,001,827,910.20/137,868.93
  6. Step 6: Final answer
    x = 159,585.11

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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.