Home / 164,195.31-245,923.89-99,979.52

Finding the Fourth Proportional to 164,195.31, 245,923.89 and 99,979.52

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Solution

The fourth proportional to 164,195.31, 245,923.89 and 99,979.52 is: 149,744.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,195.31 : 245,923.89 = 99,979.52 : x
  2. Step 2: Convert to fraction form
    164,195.31/245,923.89 = 99,979.52/x
  3. Step 3: Cross multiply
    164,195.31x = 245,923.89 × 99,979.52
  4. Step 4: Simplify right side
    164,195.31x = 24,587,351,863.92
  5. Step 5: Solve for x
    x = 24,587,351,863.92/164,195.31
  6. Step 6: Final answer
    x = 149,744.55

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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.