Home / 214,981.60-322,472.40-136,184.80

Finding the Fourth Proportional to 214,981.60, 322,472.40 and 136,184.80

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Solution

The fourth proportional to 214,981.60, 322,472.40 and 136,184.80 is: 204,277.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,981.60 : 322,472.40 = 136,184.80 : x
  2. Step 2: Convert to fraction form
    214,981.60/322,472.40 = 136,184.80/x
  3. Step 3: Cross multiply
    214,981.60x = 322,472.40 × 136,184.80
  4. Step 4: Simplify right side
    214,981.60x = 43,915,839,299.52
  5. Step 5: Solve for x
    x = 43,915,839,299.52/214,981.60
  6. Step 6: Final answer
    x = 204,277.20

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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.