Home / 207,964.30-311,946.45-83,394.70

Finding the Fourth Proportional to 207,964.30, 311,946.45 and 83,394.70

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Solution

The fourth proportional to 207,964.30, 311,946.45 and 83,394.70 is: 125,092.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,964.30 : 311,946.45 = 83,394.70 : x
  2. Step 2: Convert to fraction form
    207,964.30/311,946.45 = 83,394.70/x
  3. Step 3: Cross multiply
    207,964.30x = 311,946.45 × 83,394.70
  4. Step 4: Simplify right side
    207,964.30x = 26,014,680,613.82
  5. Step 5: Solve for x
    x = 26,014,680,613.82/207,964.30
  6. Step 6: Final answer
    x = 125,092.05

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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.