Home / 205,531.93-283,631.92-120,632.59

Finding the Fourth Proportional to 205,531.93, 283,631.92 and 120,632.59

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Solution

The fourth proportional to 205,531.93, 283,631.92 and 120,632.59 is: 166,471.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,531.93 : 283,631.92 = 120,632.59 : x
  2. Step 2: Convert to fraction form
    205,531.93/283,631.92 = 120,632.59/x
  3. Step 3: Cross multiply
    205,531.93x = 283,631.92 × 120,632.59
  4. Step 4: Simplify right side
    205,531.93x = 34,215,253,116.27
  5. Step 5: Solve for x
    x = 34,215,253,116.27/205,531.93
  6. Step 6: Final answer
    x = 166,471.72

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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.