Home / 118,972.32-178,734.96-69,758.88

Finding the Fourth Proportional to 118,972.32, 178,734.96 and 69,758.88

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Solution

The fourth proportional to 118,972.32, 178,734.96 and 69,758.88 is: 104,800.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,972.32 : 178,734.96 = 69,758.88 : x
  2. Step 2: Convert to fraction form
    118,972.32/178,734.96 = 69,758.88/x
  3. Step 3: Cross multiply
    118,972.32x = 178,734.96 × 69,758.88
  4. Step 4: Simplify right side
    118,972.32x = 12,468,350,626.44
  5. Step 5: Solve for x
    x = 12,468,350,626.44/118,972.32
  6. Step 6: Final answer
    x = 104,800.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.