Home / 155,947.20-233,575.20-120,772.80

Finding the Fourth Proportional to 155,947.20, 233,575.20 and 120,772.80

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Solution

The fourth proportional to 155,947.20, 233,575.20 and 120,772.80 is: 180,891.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,947.20 : 233,575.20 = 120,772.80 : x
  2. Step 2: Convert to fraction form
    155,947.20/233,575.20 = 120,772.80/x
  3. Step 3: Cross multiply
    155,947.20x = 233,575.20 × 120,772.80
  4. Step 4: Simplify right side
    155,947.20x = 28,209,530,914.56
  5. Step 5: Solve for x
    x = 28,209,530,914.56/155,947.20
  6. Step 6: Final answer
    x = 180,891.55

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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.