Home / 137,719.90-206,871.45-132,762.70

Finding the Fourth Proportional to 137,719.90, 206,871.45 and 132,762.70

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Solution

The fourth proportional to 137,719.90, 206,871.45 and 132,762.70 is: 199,425.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,719.90 : 206,871.45 = 132,762.70 : x
  2. Step 2: Convert to fraction form
    137,719.90/206,871.45 = 132,762.70/x
  3. Step 3: Cross multiply
    137,719.90x = 206,871.45 × 132,762.70
  4. Step 4: Simplify right side
    137,719.90x = 27,464,812,254.92
  5. Step 5: Solve for x
    x = 27,464,812,254.92/137,719.90
  6. Step 6: Final answer
    x = 199,425.15

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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.