Home / 155,418.90-233,243.55-102,810.90

Finding the Fourth Proportional to 155,418.90, 233,243.55 and 102,810.90

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Solution

The fourth proportional to 155,418.90, 233,243.55 and 102,810.90 is: 154,292.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,418.90 : 233,243.55 = 102,810.90 : x
  2. Step 2: Convert to fraction form
    155,418.90/233,243.55 = 102,810.90/x
  3. Step 3: Cross multiply
    155,418.90x = 233,243.55 × 102,810.90
  4. Step 4: Simplify right side
    155,418.90x = 23,979,979,294.70
  5. Step 5: Solve for x
    x = 23,979,979,294.70/155,418.90
  6. Step 6: Final answer
    x = 154,292.56

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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.