Home / 113,219.20-156,202.65-67,911.85

Finding the Fourth Proportional to 113,219.20, 156,202.65 and 67,911.85

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Solution

The fourth proportional to 113,219.20, 156,202.65 and 67,911.85 is: 93,694.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,219.20 : 156,202.65 = 67,911.85 : x
  2. Step 2: Convert to fraction form
    113,219.20/156,202.65 = 67,911.85/x
  3. Step 3: Cross multiply
    113,219.20x = 156,202.65 × 67,911.85
  4. Step 4: Simplify right side
    113,219.20x = 10,608,010,936.40
  5. Step 5: Solve for x
    x = 10,608,010,936.40/113,219.20
  6. Step 6: Final answer
    x = 93,694.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.