Home / 130,324.28-179,794.05-79,296.11

Finding the Fourth Proportional to 130,324.28, 179,794.05 and 79,296.11

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Solution

The fourth proportional to 130,324.28, 179,794.05 and 79,296.11 is: 109,396.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,324.28 : 179,794.05 = 79,296.11 : x
  2. Step 2: Convert to fraction form
    130,324.28/179,794.05 = 79,296.11/x
  3. Step 3: Cross multiply
    130,324.28x = 179,794.05 × 79,296.11
  4. Step 4: Simplify right side
    130,324.28x = 14,256,967,867.18
  5. Step 5: Solve for x
    x = 14,256,967,867.18/130,324.28
  6. Step 6: Final answer
    x = 109,396.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.