Home / 119,811.68-179,718.24-53,236.16

Finding the Fourth Proportional to 119,811.68, 179,718.24 and 53,236.16

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Solution

The fourth proportional to 119,811.68, 179,718.24 and 53,236.16 is: 79,854.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,811.68 : 179,718.24 = 53,236.16 : x
  2. Step 2: Convert to fraction form
    119,811.68/179,718.24 = 53,236.16/x
  3. Step 3: Cross multiply
    119,811.68x = 179,718.24 × 53,236.16
  4. Step 4: Simplify right side
    119,811.68x = 9,567,508,979.56
  5. Step 5: Solve for x
    x = 9,567,508,979.56/119,811.68
  6. Step 6: Final answer
    x = 79,854.56

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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.