Home / 175,149.64-261,764.78-127,864.31

Finding the Fourth Proportional to 175,149.64, 261,764.78 and 127,864.31

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Solution

The fourth proportional to 175,149.64, 261,764.78 and 127,864.31 is: 191,095.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,149.64 : 261,764.78 = 127,864.31 : x
  2. Step 2: Convert to fraction form
    175,149.64/261,764.78 = 127,864.31/x
  3. Step 3: Cross multiply
    175,149.64x = 261,764.78 × 127,864.31
  4. Step 4: Simplify right side
    175,149.64x = 33,470,371,508.35
  5. Step 5: Solve for x
    x = 33,470,371,508.35/175,149.64
  6. Step 6: Final answer
    x = 191,095.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.