Home / 154,429.47-231,742.62-65,682.86

Finding the Fourth Proportional to 154,429.47, 231,742.62 and 65,682.86

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Solution

The fourth proportional to 154,429.47, 231,742.62 and 65,682.86 is: 98,566.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,429.47 : 231,742.62 = 65,682.86 : x
  2. Step 2: Convert to fraction form
    154,429.47/231,742.62 = 65,682.86/x
  3. Step 3: Cross multiply
    154,429.47x = 231,742.62 × 65,682.86
  4. Step 4: Simplify right side
    154,429.47x = 15,221,516,906.78
  5. Step 5: Solve for x
    x = 15,221,516,906.78/154,429.47
  6. Step 6: Final answer
    x = 98,566.14

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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.