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Finding the Fourth Proportional to 119,888.72, 179,833.08 and 35,648.56

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Solution

The fourth proportional to 119,888.72, 179,833.08 and 35,648.56 is: 53,472.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,888.72 : 179,833.08 = 35,648.56 : x
  2. Step 2: Convert to fraction form
    119,888.72/179,833.08 = 35,648.56/x
  3. Step 3: Cross multiply
    119,888.72x = 179,833.08 × 35,648.56
  4. Step 4: Simplify right side
    119,888.72x = 6,410,790,342.36
  5. Step 5: Solve for x
    x = 6,410,790,342.36/119,888.72
  6. Step 6: Final answer
    x = 53,472.84

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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.