Home / 119,916.25-179,874.07-112,608.63

Finding the Fourth Proportional to 119,916.25, 179,874.07 and 112,608.63

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Solution

The fourth proportional to 119,916.25, 179,874.07 and 112,608.63 is: 168,912.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,916.25 : 179,874.07 = 112,608.63 : x
  2. Step 2: Convert to fraction form
    119,916.25/179,874.07 = 112,608.63/x
  3. Step 3: Cross multiply
    119,916.25x = 179,874.07 × 112,608.63
  4. Step 4: Simplify right side
    119,916.25x = 20,255,372,313.70
  5. Step 5: Solve for x
    x = 20,255,372,313.70/119,916.25
  6. Step 6: Final answer
    x = 168,912.66

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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.