Home / 115,914.70-159,937.69-68,150.62

Finding the Fourth Proportional to 115,914.70, 159,937.69 and 68,150.62

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Solution

The fourth proportional to 115,914.70, 159,937.69 and 68,150.62 is: 94,033.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,914.70 : 159,937.69 = 68,150.62 : x
  2. Step 2: Convert to fraction form
    115,914.70/159,937.69 = 68,150.62/x
  3. Step 3: Cross multiply
    115,914.70x = 159,937.69 × 68,150.62
  4. Step 4: Simplify right side
    115,914.70x = 10,899,851,594.43
  5. Step 5: Solve for x
    x = 10,899,851,594.43/115,914.70
  6. Step 6: Final answer
    x = 94,033.39

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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.