Home / 118,749.90-178,124.85-30,003.66

Finding the Fourth Proportional to 118,749.90, 178,124.85 and 30,003.66

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Solution

The fourth proportional to 118,749.90, 178,124.85 and 30,003.66 is: 45,005.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,749.90 : 178,124.85 = 30,003.66 : x
  2. Step 2: Convert to fraction form
    118,749.90/178,124.85 = 30,003.66/x
  3. Step 3: Cross multiply
    118,749.90x = 178,124.85 × 30,003.66
  4. Step 4: Simplify right side
    118,749.90x = 5,344,397,436.95
  5. Step 5: Solve for x
    x = 5,344,397,436.95/118,749.90
  6. Step 6: Final answer
    x = 45,005.49

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Similar ratio
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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.