Home / 178,740.36-268,115.40-54,081.36

Finding the Fourth Proportional to 178,740.36, 268,115.40 and 54,081.36

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Solution

The fourth proportional to 178,740.36, 268,115.40 and 54,081.36 is: 81,123.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,740.36 : 268,115.40 = 54,081.36 : x
  2. Step 2: Convert to fraction form
    178,740.36/268,115.40 = 54,081.36/x
  3. Step 3: Cross multiply
    178,740.36x = 268,115.40 × 54,081.36
  4. Step 4: Simplify right side
    178,740.36x = 14,500,045,468.94
  5. Step 5: Solve for x
    x = 14,500,045,468.94/178,740.36
  6. Step 6: Final answer
    x = 81,123.51

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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.