Home / 155,440.90-233,161.35-143,517.70

Finding the Fourth Proportional to 155,440.90, 233,161.35 and 143,517.70

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Solution

The fourth proportional to 155,440.90, 233,161.35 and 143,517.70 is: 215,276.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,440.90 : 233,161.35 = 143,517.70 : x
  2. Step 2: Convert to fraction form
    155,440.90/233,161.35 = 143,517.70/x
  3. Step 3: Cross multiply
    155,440.90x = 233,161.35 × 143,517.70
  4. Step 4: Simplify right side
    155,440.90x = 33,462,780,680.90
  5. Step 5: Solve for x
    x = 33,462,780,680.90/155,440.90
  6. Step 6: Final answer
    x = 215,276.55

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1.5x scale

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.