Home / 78,132.41-107,816.33-44,143.85

Finding the Fourth Proportional to 78,132.41, 107,816.33 and 44,143.85

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Solution

The fourth proportional to 78,132.41, 107,816.33 and 44,143.85 is: 60,914.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,132.41 : 107,816.33 = 44,143.85 : x
  2. Step 2: Convert to fraction form
    78,132.41/107,816.33 = 44,143.85/x
  3. Step 3: Cross multiply
    78,132.41x = 107,816.33 × 44,143.85
  4. Step 4: Simplify right side
    78,132.41x = 4,759,427,249.63
  5. Step 5: Solve for x
    x = 4,759,427,249.63/78,132.41
  6. Step 6: Final answer
    x = 60,914.90

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1.5x scale

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.