Home / 181,220.40-271,830.60-48,121.20

Finding the Fourth Proportional to 181,220.40, 271,830.60 and 48,121.20

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Solution

The fourth proportional to 181,220.40, 271,830.60 and 48,121.20 is: 72,181.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,220.40 : 271,830.60 = 48,121.20 : x
  2. Step 2: Convert to fraction form
    181,220.40/271,830.60 = 48,121.20/x
  3. Step 3: Cross multiply
    181,220.40x = 271,830.60 × 48,121.20
  4. Step 4: Simplify right side
    181,220.40x = 13,080,814,668.72
  5. Step 5: Solve for x
    x = 13,080,814,668.72/181,220.40
  6. Step 6: Final answer
    x = 72,181.80

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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.