Home / 155,418.30-233,127.45-143,171.10

Finding the Fourth Proportional to 155,418.30, 233,127.45 and 143,171.10

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Solution

The fourth proportional to 155,418.30, 233,127.45 and 143,171.10 is: 214,756.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,418.30 : 233,127.45 = 143,171.10 : x
  2. Step 2: Convert to fraction form
    155,418.30/233,127.45 = 143,171.10/x
  3. Step 3: Cross multiply
    155,418.30x = 233,127.45 × 143,171.10
  4. Step 4: Simplify right side
    155,418.30x = 33,377,113,456.70
  5. Step 5: Solve for x
    x = 33,377,113,456.70/155,418.30
  6. Step 6: Final answer
    x = 214,756.65

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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.