Home / 112,218.38-154,864.61-61,920.62

Finding the Fourth Proportional to 112,218.38, 154,864.61 and 61,920.62

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Solution

The fourth proportional to 112,218.38, 154,864.61 and 61,920.62 is: 85,452.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,218.38 : 154,864.61 = 61,920.62 : x
  2. Step 2: Convert to fraction form
    112,218.38/154,864.61 = 61,920.62/x
  3. Step 3: Cross multiply
    112,218.38x = 154,864.61 × 61,920.62
  4. Step 4: Simplify right side
    112,218.38x = 9,589,311,583.33
  5. Step 5: Solve for x
    x = 9,589,311,583.33/112,218.38
  6. Step 6: Final answer
    x = 85,452.24

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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.