Home / 181,187.20-271,521.60-125,718.40

Finding the Fourth Proportional to 181,187.20, 271,521.60 and 125,718.40

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Solution

The fourth proportional to 181,187.20, 271,521.60 and 125,718.40 is: 188,397.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,187.20 : 271,521.60 = 125,718.40 : x
  2. Step 2: Convert to fraction form
    181,187.20/271,521.60 = 125,718.40/x
  3. Step 3: Cross multiply
    181,187.20x = 271,521.60 × 125,718.40
  4. Step 4: Simplify right side
    181,187.20x = 34,135,261,117.44
  5. Step 5: Solve for x
    x = 34,135,261,117.44/181,187.20
  6. Step 6: Final answer
    x = 188,397.75

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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.