Home / 141,724.88-195,572.04-81,305.36

Finding the Fourth Proportional to 141,724.88, 195,572.04 and 81,305.36

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Solution

The fourth proportional to 141,724.88, 195,572.04 and 81,305.36 is: 112,196.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,724.88 : 195,572.04 = 81,305.36 : x
  2. Step 2: Convert to fraction form
    141,724.88/195,572.04 = 81,305.36/x
  3. Step 3: Cross multiply
    141,724.88x = 195,572.04 × 81,305.36
  4. Step 4: Simplify right side
    141,724.88x = 15,901,055,118.13
  5. Step 5: Solve for x
    x = 15,901,055,118.13/141,724.88
  6. Step 6: Final answer
    x = 112,196.64

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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.