Home / 81,176.22-112,022.82-45,366.20

Finding the Fourth Proportional to 81,176.22, 112,022.82 and 45,366.20

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Solution

The fourth proportional to 81,176.22, 112,022.82 and 45,366.20 is: 62,605.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,176.22 : 112,022.82 = 45,366.20 : x
  2. Step 2: Convert to fraction form
    81,176.22/112,022.82 = 45,366.20/x
  3. Step 3: Cross multiply
    81,176.22x = 112,022.82 × 45,366.20
  4. Step 4: Simplify right side
    81,176.22x = 5,082,049,656.68
  5. Step 5: Solve for x
    x = 5,082,049,656.68/81,176.22
  6. Step 6: Final answer
    x = 62,605.15

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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.