Home / 115,309.98-159,143.13-67,582.26

Finding the Fourth Proportional to 115,309.98, 159,143.13 and 67,582.26

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Solution

The fourth proportional to 115,309.98, 159,143.13 and 67,582.26 is: 93,272.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,309.98 : 159,143.13 = 67,582.26 : x
  2. Step 2: Convert to fraction form
    115,309.98/159,143.13 = 67,582.26/x
  3. Step 3: Cross multiply
    115,309.98x = 159,143.13 × 67,582.26
  4. Step 4: Simplify right side
    115,309.98x = 10,755,252,388.87
  5. Step 5: Solve for x
    x = 10,755,252,388.87/115,309.98
  6. Step 6: Final answer
    x = 93,272.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.