Home / 137,975.60-206,801.40-136,498.16

Finding the Fourth Proportional to 137,975.60, 206,801.40 and 136,498.16

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Solution

The fourth proportional to 137,975.60, 206,801.40 and 136,498.16 is: 204,586.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,975.60 : 206,801.40 = 136,498.16 : x
  2. Step 2: Convert to fraction form
    137,975.60/206,801.40 = 136,498.16/x
  3. Step 3: Cross multiply
    137,975.60x = 206,801.40 × 136,498.16
  4. Step 4: Simplify right side
    137,975.60x = 28,228,010,585.42
  5. Step 5: Solve for x
    x = 28,228,010,585.42/137,975.60
  6. Step 6: Final answer
    x = 204,586.97

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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.