Home / 137,974.60-206,799.90-136,497.16

Finding the Fourth Proportional to 137,974.60, 206,799.90 and 136,497.16

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Solution

The fourth proportional to 137,974.60, 206,799.90 and 136,497.16 is: 204,585.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,974.60 : 206,799.90 = 136,497.16 : x
  2. Step 2: Convert to fraction form
    137,974.60/206,799.90 = 136,497.16/x
  3. Step 3: Cross multiply
    137,974.60x = 206,799.90 × 136,497.16
  4. Step 4: Simplify right side
    137,974.60x = 28,227,599,038.28
  5. Step 5: Solve for x
    x = 28,227,599,038.28/137,974.60
  6. Step 6: Final answer
    x = 204,585.47

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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.