Home / 146,257.80-219,322.70-67,345.80

Finding the Fourth Proportional to 146,257.80, 219,322.70 and 67,345.80

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Solution

The fourth proportional to 146,257.80, 219,322.70 and 67,345.80 is: 100,989.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,257.80 : 219,322.70 = 67,345.80 : x
  2. Step 2: Convert to fraction form
    146,257.80/219,322.70 = 67,345.80/x
  3. Step 3: Cross multiply
    146,257.80x = 219,322.70 × 67,345.80
  4. Step 4: Simplify right side
    146,257.80x = 14,770,462,689.66
  5. Step 5: Solve for x
    x = 14,770,462,689.66/146,257.80
  6. Step 6: Final answer
    x = 100,989.23

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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.