Home / 118,752.18-178,083.66-38,771.46

Finding the Fourth Proportional to 118,752.18, 178,083.66 and 38,771.46

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Solution

The fourth proportional to 118,752.18, 178,083.66 and 38,771.46 is: 58,142.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,752.18 : 178,083.66 = 38,771.46 : x
  2. Step 2: Convert to fraction form
    118,752.18/178,083.66 = 38,771.46/x
  3. Step 3: Cross multiply
    118,752.18x = 178,083.66 × 38,771.46
  4. Step 4: Simplify right side
    118,752.18x = 6,904,563,500.34
  5. Step 5: Solve for x
    x = 6,904,563,500.34/118,752.18
  6. Step 6: Final answer
    x = 58,142.63

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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.