Home / 181,138.90-271,632.50-68,757.18

Finding the Fourth Proportional to 181,138.90, 271,632.50 and 68,757.18

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Solution

The fourth proportional to 181,138.90, 271,632.50 and 68,757.18 is: 103,106.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,138.90 : 271,632.50 = 68,757.18 : x
  2. Step 2: Convert to fraction form
    181,138.90/271,632.50 = 68,757.18/x
  3. Step 3: Cross multiply
    181,138.90x = 271,632.50 × 68,757.18
  4. Step 4: Simplify right side
    181,138.90x = 18,676,684,696.35
  5. Step 5: Solve for x
    x = 18,676,684,696.35/181,138.90
  6. Step 6: Final answer
    x = 103,106.98

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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.