Home / 155,981.40-234,029.70-150,221.40

Finding the Fourth Proportional to 155,981.40, 234,029.70 and 150,221.40

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Solution

The fourth proportional to 155,981.40, 234,029.70 and 150,221.40 is: 225,387.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,981.40 : 234,029.70 = 150,221.40 : x
  2. Step 2: Convert to fraction form
    155,981.40/234,029.70 = 150,221.40/x
  3. Step 3: Cross multiply
    155,981.40x = 234,029.70 × 150,221.40
  4. Step 4: Simplify right side
    155,981.40x = 35,156,269,175.58
  5. Step 5: Solve for x
    x = 35,156,269,175.58/155,981.40
  6. Step 6: Final answer
    x = 225,387.57

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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.