Home / 179,422.11-268,948.47-79,629.30

Finding the Fourth Proportional to 179,422.11, 268,948.47 and 79,629.30

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Solution

The fourth proportional to 179,422.11, 268,948.47 and 79,629.30 is: 119,361.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,422.11 : 268,948.47 = 79,629.30 : x
  2. Step 2: Convert to fraction form
    179,422.11/268,948.47 = 79,629.30/x
  3. Step 3: Cross multiply
    179,422.11x = 268,948.47 × 79,629.30
  4. Step 4: Simplify right side
    179,422.11x = 21,416,178,402.17
  5. Step 5: Solve for x
    x = 21,416,178,402.17/179,422.11
  6. Step 6: Final answer
    x = 119,361.98

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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.