Home / 134,274.68-185,301.32-76,919.02

Finding the Fourth Proportional to 134,274.68, 185,301.32 and 76,919.02

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Solution

The fourth proportional to 134,274.68, 185,301.32 and 76,919.02 is: 106,149.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,274.68 : 185,301.32 = 76,919.02 : x
  2. Step 2: Convert to fraction form
    134,274.68/185,301.32 = 76,919.02/x
  3. Step 3: Cross multiply
    134,274.68x = 185,301.32 × 76,919.02
  4. Step 4: Simplify right side
    134,274.68x = 14,253,195,939.11
  5. Step 5: Solve for x
    x = 14,253,195,939.11/134,274.68
  6. Step 6: Final answer
    x = 106,149.54

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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.