Home / 76,170.40-114,278.94-34,085.90

Finding the Fourth Proportional to 76,170.40, 114,278.94 and 34,085.90

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Solution

The fourth proportional to 76,170.40, 114,278.94 and 34,085.90 is: 51,139.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,170.40 : 114,278.94 = 34,085.90 : x
  2. Step 2: Convert to fraction form
    76,170.40/114,278.94 = 34,085.90/x
  3. Step 3: Cross multiply
    76,170.40x = 114,278.94 × 34,085.90
  4. Step 4: Simplify right side
    76,170.40x = 3,895,300,520.95
  5. Step 5: Solve for x
    x = 3,895,300,520.95/76,170.40
  6. Step 6: Final answer
    x = 51,139.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.