Home / 154,285.29-231,427.94-65,476.52

Finding the Fourth Proportional to 154,285.29, 231,427.94 and 65,476.52

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Solution

The fourth proportional to 154,285.29, 231,427.94 and 65,476.52 is: 98,214.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,285.29 : 231,427.94 = 65,476.52 : x
  2. Step 2: Convert to fraction form
    154,285.29/231,427.94 = 65,476.52/x
  3. Step 3: Cross multiply
    154,285.29x = 231,427.94 × 65,476.52
  4. Step 4: Simplify right side
    154,285.29x = 15,153,096,141.97
  5. Step 5: Solve for x
    x = 15,153,096,141.97/154,285.29
  6. Step 6: Final answer
    x = 98,214.78

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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.