Home / 115,272.98-159,073.54-64,287.26

Finding the Fourth Proportional to 115,272.98, 159,073.54 and 64,287.26

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Solution

The fourth proportional to 115,272.98, 159,073.54 and 64,287.26 is: 88,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,272.98 : 159,073.54 = 64,287.26 : x
  2. Step 2: Convert to fraction form
    115,272.98/159,073.54 = 64,287.26/x
  3. Step 3: Cross multiply
    115,272.98x = 159,073.54 × 64,287.26
  4. Step 4: Simplify right side
    115,272.98x = 10,226,401,069.01
  5. Step 5: Solve for x
    x = 10,226,401,069.01/115,272.98
  6. Step 6: Final answer
    x = 88,714.65

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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.