Home / 137,904.38-206,868.46-38,064.58

Finding the Fourth Proportional to 137,904.38, 206,868.46 and 38,064.58

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Solution

The fourth proportional to 137,904.38, 206,868.46 and 38,064.58 is: 57,100.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,904.38 : 206,868.46 = 38,064.58 : x
  2. Step 2: Convert to fraction form
    137,904.38/206,868.46 = 38,064.58/x
  3. Step 3: Cross multiply
    137,904.38x = 206,868.46 × 38,064.58
  4. Step 4: Simplify right side
    137,904.38x = 7,874,361,045.15
  5. Step 5: Solve for x
    x = 7,874,361,045.15/137,904.38
  6. Step 6: Final answer
    x = 57,100.15

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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.