Home / 113,171.80-156,131.40-67,851.76

Finding the Fourth Proportional to 113,171.80, 156,131.40 and 67,851.76

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Solution

The fourth proportional to 113,171.80, 156,131.40 and 67,851.76 is: 93,608.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,171.80 : 156,131.40 = 67,851.76 : x
  2. Step 2: Convert to fraction form
    113,171.80/156,131.40 = 67,851.76/x
  3. Step 3: Cross multiply
    113,171.80x = 156,131.40 × 67,851.76
  4. Step 4: Simplify right side
    113,171.80x = 10,593,790,281.26
  5. Step 5: Solve for x
    x = 10,593,790,281.26/113,171.80
  6. Step 6: Final answer
    x = 93,608.04

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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.