Home / 85,170.24-127,770.36-35,222.34

Finding the Fourth Proportional to 85,170.24, 127,770.36 and 35,222.34

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Solution

The fourth proportional to 85,170.24, 127,770.36 and 35,222.34 is: 52,839.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,170.24 : 127,770.36 = 35,222.34 : x
  2. Step 2: Convert to fraction form
    85,170.24/127,770.36 = 35,222.34/x
  3. Step 3: Cross multiply
    85,170.24x = 127,770.36 × 35,222.34
  4. Step 4: Simplify right side
    85,170.24x = 4,500,371,061.84
  5. Step 5: Solve for x
    x = 4,500,371,061.84/85,170.24
  6. Step 6: Final answer
    x = 52,839.71

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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.