Home / 72,214.26-107,841.55-71,432.34

Finding the Fourth Proportional to 72,214.26, 107,841.55 and 71,432.34

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Solution

The fourth proportional to 72,214.26, 107,841.55 and 71,432.34 is: 106,673.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,214.26 : 107,841.55 = 71,432.34 : x
  2. Step 2: Convert to fraction form
    72,214.26/107,841.55 = 71,432.34/x
  3. Step 3: Cross multiply
    72,214.26x = 107,841.55 × 71,432.34
  4. Step 4: Simplify right side
    72,214.26x = 7,703,374,265.73
  5. Step 5: Solve for x
    x = 7,703,374,265.73/72,214.26
  6. Step 6: Final answer
    x = 106,673.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.