Home / 141,490.16-195,284.15-81,101.25

Finding the Fourth Proportional to 141,490.16, 195,284.15 and 81,101.25

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Solution

The fourth proportional to 141,490.16, 195,284.15 and 81,101.25 is: 111,935.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,490.16 : 195,284.15 = 81,101.25 : x
  2. Step 2: Convert to fraction form
    141,490.16/195,284.15 = 81,101.25/x
  3. Step 3: Cross multiply
    141,490.16x = 195,284.15 × 81,101.25
  4. Step 4: Simplify right side
    141,490.16x = 15,837,787,288.26
  5. Step 5: Solve for x
    x = 15,837,787,288.26/141,490.16
  6. Step 6: Final answer
    x = 111,935.61

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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.