Home / 181,146.95-271,720.20-68,800.31

Finding the Fourth Proportional to 181,146.95, 271,720.20 and 68,800.31

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Solution

The fourth proportional to 181,146.95, 271,720.20 and 68,800.31 is: 103,200.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,146.95 : 271,720.20 = 68,800.31 : x
  2. Step 2: Convert to fraction form
    181,146.95/271,720.20 = 68,800.31/x
  3. Step 3: Cross multiply
    181,146.95x = 271,720.20 × 68,800.31
  4. Step 4: Simplify right side
    181,146.95x = 18,694,432,634.66
  5. Step 5: Solve for x
    x = 18,694,432,634.66/181,146.95
  6. Step 6: Final answer
    x = 103,200.37

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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.