Home / 92,142.15-127,157.07-51,306.85

Finding the Fourth Proportional to 92,142.15, 127,157.07 and 51,306.85

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Solution

The fourth proportional to 92,142.15, 127,157.07 and 51,306.85 is: 70,803.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,142.15 : 127,157.07 = 51,306.85 : x
  2. Step 2: Convert to fraction form
    92,142.15/127,157.07 = 51,306.85/x
  3. Step 3: Cross multiply
    92,142.15x = 127,157.07 × 51,306.85
  4. Step 4: Simplify right side
    92,142.15x = 6,524,028,716.93
  5. Step 5: Solve for x
    x = 6,524,028,716.93/92,142.15
  6. Step 6: Final answer
    x = 70,803.96

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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.