Home / 92,180.41-138,270.62-52,709.85

Finding the Fourth Proportional to 92,180.41, 138,270.62 and 52,709.85

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Solution

The fourth proportional to 92,180.41, 138,270.62 and 52,709.85 is: 79,064.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,180.41 : 138,270.62 = 52,709.85 : x
  2. Step 2: Convert to fraction form
    92,180.41/138,270.62 = 52,709.85/x
  3. Step 3: Cross multiply
    92,180.41x = 138,270.62 × 52,709.85
  4. Step 4: Simplify right side
    92,180.41x = 7,288,223,639.61
  5. Step 5: Solve for x
    x = 7,288,223,639.61/92,180.41
  6. Step 6: Final answer
    x = 79,064.78

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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.