Home / 126,021.88-173,910.20-69,432.76

Finding the Fourth Proportional to 126,021.88, 173,910.20 and 69,432.76

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Solution

The fourth proportional to 126,021.88, 173,910.20 and 69,432.76 is: 95,817.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,021.88 : 173,910.20 = 69,432.76 : x
  2. Step 2: Convert to fraction form
    126,021.88/173,910.20 = 69,432.76/x
  3. Step 3: Cross multiply
    126,021.88x = 173,910.20 × 69,432.76
  4. Step 4: Simplify right side
    126,021.88x = 12,075,065,178.15
  5. Step 5: Solve for x
    x = 12,075,065,178.15/126,021.88
  6. Step 6: Final answer
    x = 95,817.21

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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.