Home / 151,739.64-227,749.26-76,912.86

Finding the Fourth Proportional to 151,739.64, 227,749.26 and 76,912.86

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Solution

The fourth proportional to 151,739.64, 227,749.26 and 76,912.86 is: 115,440.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,739.64 : 227,749.26 = 76,912.86 : x
  2. Step 2: Convert to fraction form
    151,739.64/227,749.26 = 76,912.86/x
  3. Step 3: Cross multiply
    151,739.64x = 227,749.26 × 76,912.86
  4. Step 4: Simplify right side
    151,739.64x = 17,516,846,949.48
  5. Step 5: Solve for x
    x = 17,516,846,949.48/151,739.64
  6. Step 6: Final answer
    x = 115,440.15

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1.5x scale

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.