Home / 132,767.38-183,216.66-72,338.46

Finding the Fourth Proportional to 132,767.38, 183,216.66 and 72,338.46

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Solution

The fourth proportional to 132,767.38, 183,216.66 and 72,338.46 is: 99,825.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,767.38 : 183,216.66 = 72,338.46 : x
  2. Step 2: Convert to fraction form
    132,767.38/183,216.66 = 72,338.46/x
  3. Step 3: Cross multiply
    132,767.38x = 183,216.66 × 72,338.46
  4. Step 4: Simplify right side
    132,767.38x = 13,253,609,752.97
  5. Step 5: Solve for x
    x = 13,253,609,752.97/132,767.38
  6. Step 6: Final answer
    x = 99,825.80

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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.