Home / 116,138.10-160,273.71-68,382.66

Finding the Fourth Proportional to 116,138.10, 160,273.71 and 68,382.66

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Solution

The fourth proportional to 116,138.10, 160,273.71 and 68,382.66 is: 94,369.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,138.10 : 160,273.71 = 68,382.66 : x
  2. Step 2: Convert to fraction form
    116,138.10/160,273.71 = 68,382.66/x
  3. Step 3: Cross multiply
    116,138.10x = 160,273.71 × 68,382.66
  4. Step 4: Simplify right side
    116,138.10x = 10,959,942,617.87
  5. Step 5: Solve for x
    x = 10,959,942,617.87/116,138.10
  6. Step 6: Final answer
    x = 94,369.91

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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.