Home / 181,276.90-271,915.45-68,931.18

Finding the Fourth Proportional to 181,276.90, 271,915.45 and 68,931.18

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Solution

The fourth proportional to 181,276.90, 271,915.45 and 68,931.18 is: 103,396.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,276.90 : 271,915.45 = 68,931.18 : x
  2. Step 2: Convert to fraction form
    181,276.90/271,915.45 = 68,931.18/x
  3. Step 3: Cross multiply
    181,276.90x = 271,915.45 × 68,931.18
  4. Step 4: Simplify right side
    181,276.90x = 18,743,452,656.40
  5. Step 5: Solve for x
    x = 18,743,452,656.40/181,276.90
  6. Step 6: Final answer
    x = 103,396.81

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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.