Home / 115,339.28-159,170.28-67,606.16

Finding the Fourth Proportional to 115,339.28, 159,170.28 and 67,606.16

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Solution

The fourth proportional to 115,339.28, 159,170.28 and 67,606.16 is: 93,297.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,339.28 : 159,170.28 = 67,606.16 : x
  2. Step 2: Convert to fraction form
    115,339.28/159,170.28 = 67,606.16/x
  3. Step 3: Cross multiply
    115,339.28x = 159,170.28 × 67,606.16
  4. Step 4: Simplify right side
    115,339.28x = 10,760,891,416.92
  5. Step 5: Solve for x
    x = 10,760,891,416.92/115,339.28
  6. Step 6: Final answer
    x = 93,297.72

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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.