Home / 119,731.07-179,324.75-92,861.36

Finding the Fourth Proportional to 119,731.07, 179,324.75 and 92,861.36

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Solution

The fourth proportional to 119,731.07, 179,324.75 and 92,861.36 is: 139,081.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,731.07 : 179,324.75 = 92,861.36 : x
  2. Step 2: Convert to fraction form
    119,731.07/179,324.75 = 92,861.36/x
  3. Step 3: Cross multiply
    119,731.07x = 179,324.75 × 92,861.36
  4. Step 4: Simplify right side
    119,731.07x = 16,652,339,702.35
  5. Step 5: Solve for x
    x = 16,652,339,702.35/119,731.07
  6. Step 6: Final answer
    x = 139,081.19

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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.