Home / 74,145.26-111,723.85-61,285.70

Finding the Fourth Proportional to 74,145.26, 111,723.85 and 61,285.70

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Solution

The fourth proportional to 74,145.26, 111,723.85 and 61,285.70 is: 92,346.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,145.26 : 111,723.85 = 61,285.70 : x
  2. Step 2: Convert to fraction form
    74,145.26/111,723.85 = 61,285.70/x
  3. Step 3: Cross multiply
    74,145.26x = 111,723.85 × 61,285.70
  4. Step 4: Simplify right side
    74,145.26x = 6,847,074,353.95
  5. Step 5: Solve for x
    x = 6,847,074,353.95/74,145.26
  6. Step 6: Final answer
    x = 92,346.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.