Home / 119,719.10-179,578.64-113,732.70

Finding the Fourth Proportional to 119,719.10, 179,578.64 and 113,732.70

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Solution

The fourth proportional to 119,719.10, 179,578.64 and 113,732.70 is: 170,599.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,719.10 : 179,578.64 = 113,732.70 : x
  2. Step 2: Convert to fraction form
    119,719.10/179,578.64 = 113,732.70/x
  3. Step 3: Cross multiply
    119,719.10x = 179,578.64 × 113,732.70
  4. Step 4: Simplify right side
    119,719.10x = 20,423,962,122.97
  5. Step 5: Solve for x
    x = 20,423,962,122.97/119,719.10
  6. Step 6: Final answer
    x = 170,599.04

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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.