Home / 126,721.50-189,924.24-110,888.93

Finding the Fourth Proportional to 126,721.50, 189,924.24 and 110,888.93

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Solution

The fourth proportional to 126,721.50, 189,924.24 and 110,888.93 is: 166,195.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,721.50 : 189,924.24 = 110,888.93 : x
  2. Step 2: Convert to fraction form
    126,721.50/189,924.24 = 110,888.93/x
  3. Step 3: Cross multiply
    126,721.50x = 189,924.24 × 110,888.93
  4. Step 4: Simplify right side
    126,721.50x = 21,060,496,645.31
  5. Step 5: Solve for x
    x = 21,060,496,645.31/126,721.50
  6. Step 6: Final answer
    x = 166,195.14

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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.