Home / 142,469.30-213,723.15-49,003.70

Finding the Fourth Proportional to 142,469.30, 213,723.15 and 49,003.70

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Solution

The fourth proportional to 142,469.30, 213,723.15 and 49,003.70 is: 73,512.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,469.30 : 213,723.15 = 49,003.70 : x
  2. Step 2: Convert to fraction form
    142,469.30/213,723.15 = 49,003.70/x
  3. Step 3: Cross multiply
    142,469.30x = 213,723.15 × 49,003.70
  4. Step 4: Simplify right side
    142,469.30x = 10,473,225,125.66
  5. Step 5: Solve for x
    x = 10,473,225,125.66/142,469.30
  6. Step 6: Final answer
    x = 73,512.15

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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.