Home / 119,230.38-178,456.16-87,632.08

Finding the Fourth Proportional to 119,230.38, 178,456.16 and 87,632.08

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Solution

The fourth proportional to 119,230.38, 178,456.16 and 87,632.08 is: 131,161.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,230.38 : 178,456.16 = 87,632.08 : x
  2. Step 2: Convert to fraction form
    119,230.38/178,456.16 = 87,632.08/x
  3. Step 3: Cross multiply
    119,230.38x = 178,456.16 × 87,632.08
  4. Step 4: Simplify right side
    119,230.38x = 15,638,484,262.55
  5. Step 5: Solve for x
    x = 15,638,484,262.55/119,230.38
  6. Step 6: Final answer
    x = 131,161.91

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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.