Home / 119,251.38-178,487.64-87,653.10

Finding the Fourth Proportional to 119,251.38, 178,487.64 and 87,653.10

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Solution

The fourth proportional to 119,251.38, 178,487.64 and 87,653.10 is: 131,193.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,251.38 : 178,487.64 = 87,653.10 : x
  2. Step 2: Convert to fraction form
    119,251.38/178,487.64 = 87,653.10/x
  3. Step 3: Cross multiply
    119,251.38x = 178,487.64 × 87,653.10
  4. Step 4: Simplify right side
    119,251.38x = 15,644,994,957.68
  5. Step 5: Solve for x
    x = 15,644,994,957.68/119,251.38
  6. Step 6: Final answer
    x = 131,193.41

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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.