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Finding the Fourth Proportional to 149,143.92, 223,750.92 and 49,304.12

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Solution

The fourth proportional to 149,143.92, 223,750.92 and 49,304.12 is: 73,967.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,143.92 : 223,750.92 = 49,304.12 : x
  2. Step 2: Convert to fraction form
    149,143.92/223,750.92 = 49,304.12/x
  3. Step 3: Cross multiply
    149,143.92x = 223,750.92 × 49,304.12
  4. Step 4: Simplify right side
    149,143.92x = 11,031,841,091.04
  5. Step 5: Solve for x
    x = 11,031,841,091.04/149,143.92
  6. Step 6: Final answer
    x = 73,967.76

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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.