Home / 204,056.10-306,084.15-137,700.90

Finding the Fourth Proportional to 204,056.10, 306,084.15 and 137,700.90

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Solution

The fourth proportional to 204,056.10, 306,084.15 and 137,700.90 is: 206,551.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,056.10 : 306,084.15 = 137,700.90 : x
  2. Step 2: Convert to fraction form
    204,056.10/306,084.15 = 137,700.90/x
  3. Step 3: Cross multiply
    204,056.10x = 306,084.15 × 137,700.90
  4. Step 4: Simplify right side
    204,056.10x = 42,148,062,930.74
  5. Step 5: Solve for x
    x = 42,148,062,930.74/204,056.10
  6. Step 6: Final answer
    x = 206,551.35

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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.