Home / 78,344.28-117,501.39-22,170.83

Finding the Fourth Proportional to 78,344.28, 117,501.39 and 22,170.83

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Solution

The fourth proportional to 78,344.28, 117,501.39 and 22,170.83 is: 33,251.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,344.28 : 117,501.39 = 22,170.83 : x
  2. Step 2: Convert to fraction form
    78,344.28/117,501.39 = 22,170.83/x
  3. Step 3: Cross multiply
    78,344.28x = 117,501.39 × 22,170.83
  4. Step 4: Simplify right side
    78,344.28x = 2,605,102,754.95
  5. Step 5: Solve for x
    x = 2,605,102,754.95/78,344.28
  6. Step 6: Final answer
    x = 33,251.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.