Home / 155,273.20-232,959.02-55,431.24

Finding the Fourth Proportional to 155,273.20, 232,959.02 and 55,431.24

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Solution

The fourth proportional to 155,273.20, 232,959.02 and 55,431.24 is: 83,164.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,273.20 : 232,959.02 = 55,431.24 : x
  2. Step 2: Convert to fraction form
    155,273.20/232,959.02 = 55,431.24/x
  3. Step 3: Cross multiply
    155,273.20x = 232,959.02 × 55,431.24
  4. Step 4: Simplify right side
    155,273.20x = 12,913,207,347.78
  5. Step 5: Solve for x
    x = 12,913,207,347.78/155,273.20
  6. Step 6: Final answer
    x = 83,164.43

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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.