Home / 124,913.30-187,305.15-45,986.90

Finding the Fourth Proportional to 124,913.30, 187,305.15 and 45,986.90

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Solution

The fourth proportional to 124,913.30, 187,305.15 and 45,986.90 is: 68,956.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,913.30 : 187,305.15 = 45,986.90 : x
  2. Step 2: Convert to fraction form
    124,913.30/187,305.15 = 45,986.90/x
  3. Step 3: Cross multiply
    124,913.30x = 187,305.15 × 45,986.90
  4. Step 4: Simplify right side
    124,913.30x = 8,613,583,202.54
  5. Step 5: Solve for x
    x = 8,613,583,202.54/124,913.30
  6. Step 6: Final answer
    x = 68,956.49

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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.