Home / 141,635.94-195,395.13-87,813.06

Finding the Fourth Proportional to 141,635.94, 195,395.13 and 87,813.06

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Solution

The fourth proportional to 141,635.94, 195,395.13 and 87,813.06 is: 121,143.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,635.94 : 195,395.13 = 87,813.06 : x
  2. Step 2: Convert to fraction form
    141,635.94/195,395.13 = 87,813.06/x
  3. Step 3: Cross multiply
    141,635.94x = 195,395.13 × 87,813.06
  4. Step 4: Simplify right side
    141,635.94x = 17,158,244,274.40
  5. Step 5: Solve for x
    x = 17,158,244,274.40/141,635.94
  6. Step 6: Final answer
    x = 121,143.29

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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.