Home / 208,346.72-287,517.92-112,853.68

Finding the Fourth Proportional to 208,346.72, 287,517.92 and 112,853.68

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Solution

The fourth proportional to 208,346.72, 287,517.92 and 112,853.68 is: 155,737.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,346.72 : 287,517.92 = 112,853.68 : x
  2. Step 2: Convert to fraction form
    208,346.72/287,517.92 = 112,853.68/x
  3. Step 3: Cross multiply
    208,346.72x = 287,517.92 × 112,853.68
  4. Step 4: Simplify right side
    208,346.72x = 32,447,455,337.95
  5. Step 5: Solve for x
    x = 32,447,455,337.95/208,346.72
  6. Step 6: Final answer
    x = 155,737.78

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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.