Home / 181,257.40-271,618.80-131,442.40

Finding the Fourth Proportional to 181,257.40, 271,618.80 and 131,442.40

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Solution

The fourth proportional to 181,257.40, 271,618.80 and 131,442.40 is: 196,969.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,257.40 : 271,618.80 = 131,442.40 : x
  2. Step 2: Convert to fraction form
    181,257.40/271,618.80 = 131,442.40/x
  3. Step 3: Cross multiply
    181,257.40x = 271,618.80 × 131,442.40
  4. Step 4: Simplify right side
    181,257.40x = 35,702,226,957.12
  5. Step 5: Solve for x
    x = 35,702,226,957.12/181,257.40
  6. Step 6: Final answer
    x = 196,969.76

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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.