Home / 118,241.10-177,330.33-47,160.90

Finding the Fourth Proportional to 118,241.10, 177,330.33 and 47,160.90

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Solution

The fourth proportional to 118,241.10, 177,330.33 and 47,160.90 is: 70,728.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,241.10 : 177,330.33 = 47,160.90 : x
  2. Step 2: Convert to fraction form
    118,241.10/177,330.33 = 47,160.90/x
  3. Step 3: Cross multiply
    118,241.10x = 177,330.33 × 47,160.90
  4. Step 4: Simplify right side
    118,241.10x = 8,363,057,960.10
  5. Step 5: Solve for x
    x = 8,363,057,960.10/118,241.10
  6. Step 6: Final answer
    x = 70,728.86

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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.