Home / 141,708.62-195,543.42-87,252.15

Finding the Fourth Proportional to 141,708.62, 195,543.42 and 87,252.15

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Solution

The fourth proportional to 141,708.62, 195,543.42 and 87,252.15 is: 120,399.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,708.62 : 195,543.42 = 87,252.15 : x
  2. Step 2: Convert to fraction form
    141,708.62/195,543.42 = 87,252.15/x
  3. Step 3: Cross multiply
    141,708.62x = 195,543.42 × 87,252.15
  4. Step 4: Simplify right side
    141,708.62x = 17,061,583,813.35
  5. Step 5: Solve for x
    x = 17,061,583,813.35/141,708.62
  6. Step 6: Final answer
    x = 120,399.06

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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.