Home / 151,834.03-227,889.27-80,816.32

Finding the Fourth Proportional to 151,834.03, 227,889.27 and 80,816.32

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Solution

The fourth proportional to 151,834.03, 227,889.27 and 80,816.32 is: 121,298.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,834.03 : 227,889.27 = 80,816.32 : x
  2. Step 2: Convert to fraction form
    151,834.03/227,889.27 = 80,816.32/x
  3. Step 3: Cross multiply
    151,834.03x = 227,889.27 × 80,816.32
  4. Step 4: Simplify right side
    151,834.03x = 18,417,171,599.16
  5. Step 5: Solve for x
    x = 18,417,171,599.16/151,834.03
  6. Step 6: Final answer
    x = 121,298.05

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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.