Home / 179,739.81-269,572.81-84,929.72

Finding the Fourth Proportional to 179,739.81, 269,572.81 and 84,929.72

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Solution

The fourth proportional to 179,739.81, 269,572.81 and 84,929.72 is: 127,377.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,739.81 : 269,572.81 = 84,929.72 : x
  2. Step 2: Convert to fraction form
    179,739.81/269,572.81 = 84,929.72/x
  3. Step 3: Cross multiply
    179,739.81x = 269,572.81 × 84,929.72
  4. Step 4: Simplify right side
    179,739.81x = 22,894,741,871.97
  5. Step 5: Solve for x
    x = 22,894,741,871.97/179,739.81
  6. Step 6: Final answer
    x = 127,377.13

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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.