Home / 91,472.18-137,129.41-35,351.67

Finding the Fourth Proportional to 91,472.18, 137,129.41 and 35,351.67

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Solution

The fourth proportional to 91,472.18, 137,129.41 and 35,351.67 is: 52,997.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,472.18 : 137,129.41 = 35,351.67 : x
  2. Step 2: Convert to fraction form
    91,472.18/137,129.41 = 35,351.67/x
  3. Step 3: Cross multiply
    91,472.18x = 137,129.41 × 35,351.67
  4. Step 4: Simplify right side
    91,472.18x = 4,847,753,649.61
  5. Step 5: Solve for x
    x = 4,847,753,649.61/91,472.18
  6. Step 6: Final answer
    x = 52,997.03

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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.