Home / 146,568.29-219,704.42-70,555.20

Finding the Fourth Proportional to 146,568.29, 219,704.42 and 70,555.20

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Solution

The fourth proportional to 146,568.29, 219,704.42 and 70,555.20 is: 105,761.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,568.29 : 219,704.42 = 70,555.20 : x
  2. Step 2: Convert to fraction form
    146,568.29/219,704.42 = 70,555.20/x
  3. Step 3: Cross multiply
    146,568.29x = 219,704.42 × 70,555.20
  4. Step 4: Simplify right side
    146,568.29x = 15,501,288,646.48
  5. Step 5: Solve for x
    x = 15,501,288,646.48/146,568.29
  6. Step 6: Final answer
    x = 105,761.54

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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.