Home / 196,795.20-271,588.80-148,972.80

Finding the Fourth Proportional to 196,795.20, 271,588.80 and 148,972.80

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Solution

The fourth proportional to 196,795.20, 271,588.80 and 148,972.80 is: 205,591.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,795.20 : 271,588.80 = 148,972.80 : x
  2. Step 2: Convert to fraction form
    196,795.20/271,588.80 = 148,972.80/x
  3. Step 3: Cross multiply
    196,795.20x = 271,588.80 × 148,972.80
  4. Step 4: Simplify right side
    196,795.20x = 40,459,343,984.64
  5. Step 5: Solve for x
    x = 40,459,343,984.64/196,795.20
  6. Step 6: Final answer
    x = 205,591.11

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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.