Home / 118,962.32-178,470.41-40,074.39

Finding the Fourth Proportional to 118,962.32, 178,470.41 and 40,074.39

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Solution

The fourth proportional to 118,962.32, 178,470.41 and 40,074.39 is: 60,120.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,962.32 : 178,470.41 = 40,074.39 : x
  2. Step 2: Convert to fraction form
    118,962.32/178,470.41 = 40,074.39/x
  3. Step 3: Cross multiply
    118,962.32x = 178,470.41 × 40,074.39
  4. Step 4: Simplify right side
    118,962.32x = 7,152,092,613.43
  5. Step 5: Solve for x
    x = 7,152,092,613.43/118,962.32
  6. Step 6: Final answer
    x = 60,120.66

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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.