Home / 141,847.32-195,728.22-81,420.24

Finding the Fourth Proportional to 141,847.32, 195,728.22 and 81,420.24

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Solution

The fourth proportional to 141,847.32, 195,728.22 and 81,420.24 is: 112,347.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,847.32 : 195,728.22 = 81,420.24 : x
  2. Step 2: Convert to fraction form
    141,847.32/195,728.22 = 81,420.24/x
  3. Step 3: Cross multiply
    141,847.32x = 195,728.22 × 81,420.24
  4. Step 4: Simplify right side
    141,847.32x = 15,936,238,647.17
  5. Step 5: Solve for x
    x = 15,936,238,647.17/141,847.32
  6. Step 6: Final answer
    x = 112,347.83

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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.