Home / 108,263.88-149,434.34-74,277.90

Finding the Fourth Proportional to 108,263.88, 149,434.34 and 74,277.90

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Solution

The fourth proportional to 108,263.88, 149,434.34 and 74,277.90 is: 102,524.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,263.88 : 149,434.34 = 74,277.90 : x
  2. Step 2: Convert to fraction form
    108,263.88/149,434.34 = 74,277.90/x
  3. Step 3: Cross multiply
    108,263.88x = 149,434.34 × 74,277.90
  4. Step 4: Simplify right side
    108,263.88x = 11,099,668,591.70
  5. Step 5: Solve for x
    x = 11,099,668,591.70/108,263.88
  6. Step 6: Final answer
    x = 102,524.21

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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.