Home / 124,449.62-171,740.43-67,861.00

Finding the Fourth Proportional to 124,449.62, 171,740.43 and 67,861.00

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Solution

The fourth proportional to 124,449.62, 171,740.43 and 67,861.00 is: 93,648.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,449.62 : 171,740.43 = 67,861.00 : x
  2. Step 2: Convert to fraction form
    124,449.62/171,740.43 = 67,861.00/x
  3. Step 3: Cross multiply
    124,449.62x = 171,740.43 × 67,861.00
  4. Step 4: Simplify right side
    124,449.62x = 11,654,476,861.03
  5. Step 5: Solve for x
    x = 11,654,476,861.03/124,449.62
  6. Step 6: Final answer
    x = 93,648.15

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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.