Home / 118,242.10-177,331.83-47,161.90

Finding the Fourth Proportional to 118,242.10, 177,331.83 and 47,161.90

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Solution

The fourth proportional to 118,242.10, 177,331.83 and 47,161.90 is: 70,730.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,242.10 : 177,331.83 = 47,161.90 : x
  2. Step 2: Convert to fraction form
    118,242.10/177,331.83 = 47,161.90/x
  3. Step 3: Cross multiply
    118,242.10x = 177,331.83 × 47,161.90
  4. Step 4: Simplify right side
    118,242.10x = 8,363,306,033.28
  5. Step 5: Solve for x
    x = 8,363,306,033.28/118,242.10
  6. Step 6: Final answer
    x = 70,730.36

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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.