Home / 153,859.53-230,788.26-82,815.65

Finding the Fourth Proportional to 153,859.53, 230,788.26 and 82,815.65

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Solution

The fourth proportional to 153,859.53, 230,788.26 and 82,815.65 is: 124,222.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,859.53 : 230,788.26 = 82,815.65 : x
  2. Step 2: Convert to fraction form
    153,859.53/230,788.26 = 82,815.65/x
  3. Step 3: Cross multiply
    153,859.53x = 230,788.26 × 82,815.65
  4. Step 4: Simplify right side
    153,859.53x = 19,112,878,610.33
  5. Step 5: Solve for x
    x = 19,112,878,610.33/153,859.53
  6. Step 6: Final answer
    x = 124,222.91

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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.