Home / 119,723.25-179,585.78-53,145.48

Finding the Fourth Proportional to 119,723.25, 179,585.78 and 53,145.48

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Solution

The fourth proportional to 119,723.25, 179,585.78 and 53,145.48 is: 79,718.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,723.25 : 179,585.78 = 53,145.48 : x
  2. Step 2: Convert to fraction form
    119,723.25/179,585.78 = 53,145.48/x
  3. Step 3: Cross multiply
    119,723.25x = 179,585.78 × 53,145.48
  4. Step 4: Simplify right side
    119,723.25x = 9,544,172,213.55
  5. Step 5: Solve for x
    x = 9,544,172,213.55/119,723.25
  6. Step 6: Final answer
    x = 79,718.62

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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.