Home / 155,953.20-233,736-71,623.90

Finding the Fourth Proportional to 155,953.20, 233,736 and 71,623.90

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Solution

The fourth proportional to 155,953.20, 233,736 and 71,623.90 is: 107,346.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,953.20 : 233,736 = 71,623.90 : x
  2. Step 2: Convert to fraction form
    155,953.20/233,736 = 71,623.90/x
  3. Step 3: Cross multiply
    155,953.20x = 233,736 × 71,623.90
  4. Step 4: Simplify right side
    155,953.20x = 16,741,083,306.06
  5. Step 5: Solve for x
    x = 16,741,083,306.06/155,953.20
  6. Step 6: Final answer
    x = 107,346.84

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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.