Home / 141,442.57-195,135.06-80,980.66

Finding the Fourth Proportional to 141,442.57, 195,135.06 and 80,980.66

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Solution

The fourth proportional to 141,442.57, 195,135.06 and 80,980.66 is: 111,721.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,442.57 : 195,135.06 = 80,980.66 : x
  2. Step 2: Convert to fraction form
    141,442.57/195,135.06 = 80,980.66/x
  3. Step 3: Cross multiply
    141,442.57x = 195,135.06 × 80,980.66
  4. Step 4: Simplify right side
    141,442.57x = 15,802,165,947.94
  5. Step 5: Solve for x
    x = 15,802,165,947.94/141,442.57
  6. Step 6: Final answer
    x = 111,721.43

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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.