Home / 179,823.08-269,601.50-86,239.72

Finding the Fourth Proportional to 179,823.08, 269,601.50 and 86,239.72

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Solution

The fourth proportional to 179,823.08, 269,601.50 and 86,239.72 is: 129,295.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,823.08 : 269,601.50 = 86,239.72 : x
  2. Step 2: Convert to fraction form
    179,823.08/269,601.50 = 86,239.72/x
  3. Step 3: Cross multiply
    179,823.08x = 269,601.50 × 86,239.72
  4. Step 4: Simplify right side
    179,823.08x = 23,250,357,871.58
  5. Step 5: Solve for x
    x = 23,250,357,871.58/179,823.08
  6. Step 6: Final answer
    x = 129,295.74

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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.