Home / 115,252.28-159,033.66-64,252.52

Finding the Fourth Proportional to 115,252.28, 159,033.66 and 64,252.52

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Solution

The fourth proportional to 115,252.28, 159,033.66 and 64,252.52 is: 88,660.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,252.28 : 159,033.66 = 64,252.52 : x
  2. Step 2: Convert to fraction form
    115,252.28/159,033.66 = 64,252.52/x
  3. Step 3: Cross multiply
    115,252.28x = 159,033.66 × 64,252.52
  4. Step 4: Simplify right side
    115,252.28x = 10,218,313,419.82
  5. Step 5: Solve for x
    x = 10,218,313,419.82/115,252.28
  6. Step 6: Final answer
    x = 88,660.40

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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.