Home / 146,508.23-219,568.25-75,428.00

Finding the Fourth Proportional to 146,508.23, 219,568.25 and 75,428.00

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Solution

The fourth proportional to 146,508.23, 219,568.25 and 75,428.00 is: 113,042.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,508.23 : 219,568.25 = 75,428.00 : x
  2. Step 2: Convert to fraction form
    146,508.23/219,568.25 = 75,428.00/x
  3. Step 3: Cross multiply
    146,508.23x = 219,568.25 × 75,428.00
  4. Step 4: Simplify right side
    146,508.23x = 16,561,592,486.02
  5. Step 5: Solve for x
    x = 16,561,592,486.02/146,508.23
  6. Step 6: Final answer
    x = 113,042.07

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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.