Home / 118,299.96-163,247.82-67,311.66

Finding the Fourth Proportional to 118,299.96, 163,247.82 and 67,311.66

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Solution

The fourth proportional to 118,299.96, 163,247.82 and 67,311.66 is: 92,886.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,299.96 : 163,247.82 = 67,311.66 : x
  2. Step 2: Convert to fraction form
    118,299.96/163,247.82 = 67,311.66/x
  3. Step 3: Cross multiply
    118,299.96x = 163,247.82 × 67,311.66
  4. Step 4: Simplify right side
    118,299.96x = 10,988,482,115.34
  5. Step 5: Solve for x
    x = 10,988,482,115.34/118,299.96
  6. Step 6: Final answer
    x = 92,886.61

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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.