Home / 179,017.72-268,526.60-85,239.16

Finding the Fourth Proportional to 179,017.72, 268,526.60 and 85,239.16

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Solution

The fourth proportional to 179,017.72, 268,526.60 and 85,239.16 is: 127,858.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,017.72 : 268,526.60 = 85,239.16 : x
  2. Step 2: Convert to fraction form
    179,017.72/268,526.60 = 85,239.16/x
  3. Step 3: Cross multiply
    179,017.72x = 268,526.60 × 85,239.16
  4. Step 4: Simplify right side
    179,017.72x = 22,888,981,821.66
  5. Step 5: Solve for x
    x = 22,888,981,821.66/179,017.72
  6. Step 6: Final answer
    x = 127,858.75

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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.