Home / 210,839.55-316,164.24-104,181.92

Finding the Fourth Proportional to 210,839.55, 316,164.24 and 104,181.92

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Solution

The fourth proportional to 210,839.55, 316,164.24 and 104,181.92 is: 156,225.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,839.55 : 316,164.24 = 104,181.92 : x
  2. Step 2: Convert to fraction form
    210,839.55/316,164.24 = 104,181.92/x
  3. Step 3: Cross multiply
    210,839.55x = 316,164.24 × 104,181.92
  4. Step 4: Simplify right side
    210,839.55x = 32,938,598,348.95
  5. Step 5: Solve for x
    x = 32,938,598,348.95/210,839.55
  6. Step 6: Final answer
    x = 156,225.90

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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.