Home / 141,682.98-195,514.93-81,250.70

Finding the Fourth Proportional to 141,682.98, 195,514.93 and 81,250.70

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Solution

The fourth proportional to 141,682.98, 195,514.93 and 81,250.70 is: 112,121.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,682.98 : 195,514.93 = 81,250.70 : x
  2. Step 2: Convert to fraction form
    141,682.98/195,514.93 = 81,250.70/x
  3. Step 3: Cross multiply
    141,682.98x = 195,514.93 × 81,250.70
  4. Step 4: Simplify right side
    141,682.98x = 15,885,724,922.95
  5. Step 5: Solve for x
    x = 15,885,724,922.95/141,682.98
  6. Step 6: Final answer
    x = 112,121.62

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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.