Home / 178,898.72-268,386.96-54,249.44

Finding the Fourth Proportional to 178,898.72, 268,386.96 and 54,249.44

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Solution

The fourth proportional to 178,898.72, 268,386.96 and 54,249.44 is: 81,385.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,898.72 : 268,386.96 = 54,249.44 : x
  2. Step 2: Convert to fraction form
    178,898.72/268,386.96 = 54,249.44/x
  3. Step 3: Cross multiply
    178,898.72x = 268,386.96 × 54,249.44
  4. Step 4: Simplify right side
    178,898.72x = 14,559,842,283.30
  5. Step 5: Solve for x
    x = 14,559,842,283.30/178,898.72
  6. Step 6: Final answer
    x = 81,385.95

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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.