Home / 191,208.48-263,867.92-106,323.72

Finding the Fourth Proportional to 191,208.48, 263,867.92 and 106,323.72

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Solution

The fourth proportional to 191,208.48, 263,867.92 and 106,323.72 is: 146,726.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,208.48 : 263,867.92 = 106,323.72 : x
  2. Step 2: Convert to fraction form
    191,208.48/263,867.92 = 106,323.72/x
  3. Step 3: Cross multiply
    191,208.48x = 263,867.92 × 106,323.72
  4. Step 4: Simplify right side
    191,208.48x = 28,055,418,843.06
  5. Step 5: Solve for x
    x = 28,055,418,843.06/191,208.48
  6. Step 6: Final answer
    x = 146,726.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.