Home / 168,614.06-253,045.81-79,867.76

Finding the Fourth Proportional to 168,614.06, 253,045.81 and 79,867.76

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Solution

The fourth proportional to 168,614.06, 253,045.81 and 79,867.76 is: 119,860.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,614.06 : 253,045.81 = 79,867.76 : x
  2. Step 2: Convert to fraction form
    168,614.06/253,045.81 = 79,867.76/x
  3. Step 3: Cross multiply
    168,614.06x = 253,045.81 × 79,867.76
  4. Step 4: Simplify right side
    168,614.06x = 20,210,201,811.91
  5. Step 5: Solve for x
    x = 20,210,201,811.91/168,614.06
  6. Step 6: Final answer
    x = 119,860.72

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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.