Home / 210,968.76-316,226.20-104,204.92

Finding the Fourth Proportional to 210,968.76, 316,226.20 and 104,204.92

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Solution

The fourth proportional to 210,968.76, 316,226.20 and 104,204.92 is: 156,195.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,968.76 : 316,226.20 = 104,204.92 : x
  2. Step 2: Convert to fraction form
    210,968.76/316,226.20 = 104,204.92/x
  3. Step 3: Cross multiply
    210,968.76x = 316,226.20 × 104,204.92
  4. Step 4: Simplify right side
    210,968.76x = 32,952,325,872.90
  5. Step 5: Solve for x
    x = 32,952,325,872.90/210,968.76
  6. Step 6: Final answer
    x = 156,195.29

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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.