Home / 196,204.20-293,723.10-129,719.40

Finding the Fourth Proportional to 196,204.20, 293,723.10 and 129,719.40

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Solution

The fourth proportional to 196,204.20, 293,723.10 and 129,719.40 is: 194,193.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,204.20 : 293,723.10 = 129,719.40 : x
  2. Step 2: Convert to fraction form
    196,204.20/293,723.10 = 129,719.40/x
  3. Step 3: Cross multiply
    196,204.20x = 293,723.10 × 129,719.40
  4. Step 4: Simplify right side
    196,204.20x = 38,101,584,298.14
  5. Step 5: Solve for x
    x = 38,101,584,298.14/196,204.20
  6. Step 6: Final answer
    x = 194,193.52

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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.