Home / 108,223.35-149,251.52-67,940.87

Finding the Fourth Proportional to 108,223.35, 149,251.52 and 67,940.87

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Solution

The fourth proportional to 108,223.35, 149,251.52 and 67,940.87 is: 93,697.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,223.35 : 149,251.52 = 67,940.87 : x
  2. Step 2: Convert to fraction form
    108,223.35/149,251.52 = 67,940.87/x
  3. Step 3: Cross multiply
    108,223.35x = 149,251.52 × 67,940.87
  4. Step 4: Simplify right side
    108,223.35x = 10,140,277,031.66
  5. Step 5: Solve for x
    x = 10,140,277,031.66/108,223.35
  6. Step 6: Final answer
    x = 93,697.68

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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.