Home / 102,169.03-153,054.28-57,661.15

Finding the Fourth Proportional to 102,169.03, 153,054.28 and 57,661.15

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Solution

The fourth proportional to 102,169.03, 153,054.28 and 57,661.15 is: 86,379.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,169.03 : 153,054.28 = 57,661.15 : x
  2. Step 2: Convert to fraction form
    102,169.03/153,054.28 = 57,661.15/x
  3. Step 3: Cross multiply
    102,169.03x = 153,054.28 × 57,661.15
  4. Step 4: Simplify right side
    102,169.03x = 8,825,285,797.22
  5. Step 5: Solve for x
    x = 8,825,285,797.22/102,169.03
  6. Step 6: Final answer
    x = 86,379.27

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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.