Home / 89,978.50-124,170.33-52,255.18

Finding the Fourth Proportional to 89,978.50, 124,170.33 and 52,255.18

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Solution

The fourth proportional to 89,978.50, 124,170.33 and 52,255.18 is: 72,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,978.50 : 124,170.33 = 52,255.18 : x
  2. Step 2: Convert to fraction form
    89,978.50/124,170.33 = 52,255.18/x
  3. Step 3: Cross multiply
    89,978.50x = 124,170.33 × 52,255.18
  4. Step 4: Simplify right side
    89,978.50x = 6,488,542,944.81
  5. Step 5: Solve for x
    x = 6,488,542,944.81/89,978.50
  6. Step 6: Final answer
    x = 72,112.15

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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.