Home / 221,787.55-306,066.50-126,294.24

Finding the Fourth Proportional to 221,787.55, 306,066.50 and 126,294.24

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Solution

The fourth proportional to 221,787.55, 306,066.50 and 126,294.24 is: 174,285.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,787.55 : 306,066.50 = 126,294.24 : x
  2. Step 2: Convert to fraction form
    221,787.55/306,066.50 = 126,294.24/x
  3. Step 3: Cross multiply
    221,787.55x = 306,066.50 × 126,294.24
  4. Step 4: Simplify right side
    221,787.55x = 38,654,436,006.96
  5. Step 5: Solve for x
    x = 38,654,436,006.96/221,787.55
  6. Step 6: Final answer
    x = 174,285.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.