Home / 178,744.36-268,121.40-54,085.36

Finding the Fourth Proportional to 178,744.36, 268,121.40 and 54,085.36

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Solution

The fourth proportional to 178,744.36, 268,121.40 and 54,085.36 is: 81,129.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,744.36 : 268,121.40 = 54,085.36 : x
  2. Step 2: Convert to fraction form
    178,744.36/268,121.40 = 54,085.36/x
  3. Step 3: Cross multiply
    178,744.36x = 268,121.40 × 54,085.36
  4. Step 4: Simplify right side
    178,744.36x = 14,501,442,442.70
  5. Step 5: Solve for x
    x = 14,501,442,442.70/178,744.36
  6. Step 6: Final answer
    x = 81,129.51

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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.