Home / 115,451.29-159,321.24-64,464.87

Finding the Fourth Proportional to 115,451.29, 159,321.24 and 64,464.87

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Solution

The fourth proportional to 115,451.29, 159,321.24 and 64,464.87 is: 88,960.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,451.29 : 159,321.24 = 64,464.87 : x
  2. Step 2: Convert to fraction form
    115,451.29/159,321.24 = 64,464.87/x
  3. Step 3: Cross multiply
    115,451.29x = 159,321.24 × 64,464.87
  4. Step 4: Simplify right side
    115,451.29x = 10,270,623,024.84
  5. Step 5: Solve for x
    x = 10,270,623,024.84/115,451.29
  6. Step 6: Final answer
    x = 88,960.66

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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.