Home / 115,296.12-159,144.12-67,564.88

Finding the Fourth Proportional to 115,296.12, 159,144.12 and 67,564.88

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Solution

The fourth proportional to 115,296.12, 159,144.12 and 67,564.88 is: 93,260.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,296.12 : 159,144.12 = 67,564.88 : x
  2. Step 2: Convert to fraction form
    115,296.12/159,144.12 = 67,564.88/x
  3. Step 3: Cross multiply
    115,296.12x = 159,144.12 × 67,564.88
  4. Step 4: Simplify right side
    115,296.12x = 10,752,553,370.51
  5. Step 5: Solve for x
    x = 10,752,553,370.51/115,296.12
  6. Step 6: Final answer
    x = 93,260.32

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1.5x scale

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.