Home / 229,742.46-317,059.11-129,146.94

Finding the Fourth Proportional to 229,742.46, 317,059.11 and 129,146.94

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Solution

The fourth proportional to 229,742.46, 317,059.11 and 129,146.94 is: 178,230.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,742.46 : 317,059.11 = 129,146.94 : x
  2. Step 2: Convert to fraction form
    229,742.46/317,059.11 = 129,146.94/x
  3. Step 3: Cross multiply
    229,742.46x = 317,059.11 × 129,146.94
  4. Step 4: Simplify right side
    229,742.46x = 40,947,213,855.62
  5. Step 5: Solve for x
    x = 40,947,213,855.62/229,742.46
  6. Step 6: Final answer
    x = 178,230.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.