Home / 207,965.97-286,992.81-112,472.46

Finding the Fourth Proportional to 207,965.97, 286,992.81 and 112,472.46

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Solution

The fourth proportional to 207,965.97, 286,992.81 and 112,472.46 is: 155,211.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,965.97 : 286,992.81 = 112,472.46 : x
  2. Step 2: Convert to fraction form
    207,965.97/286,992.81 = 112,472.46/x
  3. Step 3: Cross multiply
    207,965.97x = 286,992.81 × 112,472.46
  4. Step 4: Simplify right side
    207,965.97x = 32,278,787,343.01
  5. Step 5: Solve for x
    x = 32,278,787,343.01/207,965.97
  6. Step 6: Final answer
    x = 155,211.87

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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.