Home / 115,266.10-159,080.89-64,287.14

Finding the Fourth Proportional to 115,266.10, 159,080.89 and 64,287.14

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Solution

The fourth proportional to 115,266.10, 159,080.89 and 64,287.14 is: 88,723.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,266.10 : 159,080.89 = 64,287.14 : x
  2. Step 2: Convert to fraction form
    115,266.10/159,080.89 = 64,287.14/x
  3. Step 3: Cross multiply
    115,266.10x = 159,080.89 × 64,287.14
  4. Step 4: Simplify right side
    115,266.10x = 10,226,855,446.75
  5. Step 5: Solve for x
    x = 10,226,855,446.75/115,266.10
  6. Step 6: Final answer
    x = 88,723.88

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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.