Home / 63,158.85-94,757.13-18,787.05

Finding the Fourth Proportional to 63,158.85, 94,757.13 and 18,787.05

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Solution

The fourth proportional to 63,158.85, 94,757.13 and 18,787.05 is: 28,186.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,158.85 : 94,757.13 = 18,787.05 : x
  2. Step 2: Convert to fraction form
    63,158.85/94,757.13 = 18,787.05/x
  3. Step 3: Cross multiply
    63,158.85x = 94,757.13 × 18,787.05
  4. Step 4: Simplify right side
    63,158.85x = 1,780,206,939.17
  5. Step 5: Solve for x
    x = 1,780,206,939.17/63,158.85
  6. Step 6: Final answer
    x = 28,186.18

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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.