Home / 175,040.20-262,560.30-81,728.20

Finding the Fourth Proportional to 175,040.20, 262,560.30 and 81,728.20

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Solution

The fourth proportional to 175,040.20, 262,560.30 and 81,728.20 is: 122,592.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,040.20 : 262,560.30 = 81,728.20 : x
  2. Step 2: Convert to fraction form
    175,040.20/262,560.30 = 81,728.20/x
  3. Step 3: Cross multiply
    175,040.20x = 262,560.30 × 81,728.20
  4. Step 4: Simplify right side
    175,040.20x = 21,458,580,710.46
  5. Step 5: Solve for x
    x = 21,458,580,710.46/175,040.20
  6. Step 6: Final answer
    x = 122,592.30

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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.