Home / 137,192.10-205,811.01-47,231.34

Finding the Fourth Proportional to 137,192.10, 205,811.01 and 47,231.34

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Solution

The fourth proportional to 137,192.10, 205,811.01 and 47,231.34 is: 70,854.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,192.10 : 205,811.01 = 47,231.34 : x
  2. Step 2: Convert to fraction form
    137,192.10/205,811.01 = 47,231.34/x
  3. Step 3: Cross multiply
    137,192.10x = 205,811.01 × 47,231.34
  4. Step 4: Simplify right side
    137,192.10x = 9,720,729,789.05
  5. Step 5: Solve for x
    x = 9,720,729,789.05/137,192.10
  6. Step 6: Final answer
    x = 70,854.88

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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.