Home / 107,543.26-148,446.62-65,101.80

Finding the Fourth Proportional to 107,543.26, 148,446.62 and 65,101.80

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Solution

The fourth proportional to 107,543.26, 148,446.62 and 65,101.80 is: 89,862.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,543.26 : 148,446.62 = 65,101.80 : x
  2. Step 2: Convert to fraction form
    107,543.26/148,446.62 = 65,101.80/x
  3. Step 3: Cross multiply
    107,543.26x = 148,446.62 × 65,101.80
  4. Step 4: Simplify right side
    107,543.26x = 9,664,142,165.92
  5. Step 5: Solve for x
    x = 9,664,142,165.92/107,543.26
  6. Step 6: Final answer
    x = 89,862.83

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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.