Home / 115,971.57-160,025.83-68,207.49

Finding the Fourth Proportional to 115,971.57, 160,025.83 and 68,207.49

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Solution

The fourth proportional to 115,971.57, 160,025.83 and 68,207.49 is: 94,117.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,971.57 : 160,025.83 = 68,207.49 : x
  2. Step 2: Convert to fraction form
    115,971.57/160,025.83 = 68,207.49/x
  3. Step 3: Cross multiply
    115,971.57x = 160,025.83 × 68,207.49
  4. Step 4: Simplify right side
    115,971.57x = 10,914,960,028.95
  5. Step 5: Solve for x
    x = 10,914,960,028.95/115,971.57
  6. Step 6: Final answer
    x = 94,117.55

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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.