Home / 155,512.20-232,976.70-145,014.60

Finding the Fourth Proportional to 155,512.20, 232,976.70 and 145,014.60

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Solution

The fourth proportional to 155,512.20, 232,976.70 and 145,014.60 is: 217,249.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,512.20 : 232,976.70 = 145,014.60 : x
  2. Step 2: Convert to fraction form
    155,512.20/232,976.70 = 145,014.60/x
  3. Step 3: Cross multiply
    155,512.20x = 232,976.70 × 145,014.60
  4. Step 4: Simplify right side
    155,512.20x = 33,785,022,959.82
  5. Step 5: Solve for x
    x = 33,785,022,959.82/155,512.20
  6. Step 6: Final answer
    x = 217,249.98

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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.