Home / 240,747.21-361,112.17-90,981.45

Finding the Fourth Proportional to 240,747.21, 361,112.17 and 90,981.45

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Solution

The fourth proportional to 240,747.21, 361,112.17 and 90,981.45 is: 136,468.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,747.21 : 361,112.17 = 90,981.45 : x
  2. Step 2: Convert to fraction form
    240,747.21/361,112.17 = 90,981.45/x
  3. Step 3: Cross multiply
    240,747.21x = 361,112.17 × 90,981.45
  4. Step 4: Simplify right side
    240,747.21x = 32,854,508,839.25
  5. Step 5: Solve for x
    x = 32,854,508,839.25/240,747.21
  6. Step 6: Final answer
    x = 136,468.91

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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.