Home / 86,174.13-129,382.29-44,084.40

Finding the Fourth Proportional to 86,174.13, 129,382.29 and 44,084.40

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Solution

The fourth proportional to 86,174.13, 129,382.29 and 44,084.40 is: 66,188.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,174.13 : 129,382.29 = 44,084.40 : x
  2. Step 2: Convert to fraction form
    86,174.13/129,382.29 = 44,084.40/x
  3. Step 3: Cross multiply
    86,174.13x = 129,382.29 × 44,084.40
  4. Step 4: Simplify right side
    86,174.13x = 5,703,740,625.28
  5. Step 5: Solve for x
    x = 5,703,740,625.28/86,174.13
  6. Step 6: Final answer
    x = 66,188.55

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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.