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Finding the Fourth Proportional to 181,722.60, 272,486.70 and 76,422.60

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Solution

The fourth proportional to 181,722.60, 272,486.70 and 76,422.60 is: 114,593.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,722.60 : 272,486.70 = 76,422.60 : x
  2. Step 2: Convert to fraction form
    181,722.60/272,486.70 = 76,422.60/x
  3. Step 3: Cross multiply
    181,722.60x = 272,486.70 × 76,422.60
  4. Step 4: Simplify right side
    181,722.60x = 20,824,142,079.42
  5. Step 5: Solve for x
    x = 20,824,142,079.42/181,722.60
  6. Step 6: Final answer
    x = 114,593.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.