Home / 118,741.25-178,112.23-28,783.61

Finding the Fourth Proportional to 118,741.25, 178,112.23 and 28,783.61

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Solution

The fourth proportional to 118,741.25, 178,112.23 and 28,783.61 is: 43,175.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,741.25 : 178,112.23 = 28,783.61 : x
  2. Step 2: Convert to fraction form
    118,741.25/178,112.23 = 28,783.61/x
  3. Step 3: Cross multiply
    118,741.25x = 178,112.23 × 28,783.61
  4. Step 4: Simplify right side
    118,741.25x = 5,126,712,964.55
  5. Step 5: Solve for x
    x = 5,126,712,964.55/118,741.25
  6. Step 6: Final answer
    x = 43,175.50

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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.