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Finding the Fourth Proportional to 133,610.40, 200,473.20 and 67,946.40

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Solution

The fourth proportional to 133,610.40, 200,473.20 and 67,946.40 is: 101,948.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,610.40 : 200,473.20 = 67,946.40 : x
  2. Step 2: Convert to fraction form
    133,610.40/200,473.20 = 67,946.40/x
  3. Step 3: Cross multiply
    133,610.40x = 200,473.20 × 67,946.40
  4. Step 4: Simplify right side
    133,610.40x = 13,621,432,236.48
  5. Step 5: Solve for x
    x = 13,621,432,236.48/133,610.40
  6. Step 6: Final answer
    x = 101,948.89

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1.5x scale

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.