Home / 141,964.93-195,911.18-81,539.47

Finding the Fourth Proportional to 141,964.93, 195,911.18 and 81,539.47

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Solution

The fourth proportional to 141,964.93, 195,911.18 and 81,539.47 is: 112,524.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,964.93 : 195,911.18 = 81,539.47 : x
  2. Step 2: Convert to fraction form
    141,964.93/195,911.18 = 81,539.47/x
  3. Step 3: Cross multiply
    141,964.93x = 195,911.18 × 81,539.47
  4. Step 4: Simplify right side
    141,964.93x = 15,974,493,008.57
  5. Step 5: Solve for x
    x = 15,974,493,008.57/141,964.93
  6. Step 6: Final answer
    x = 112,524.22

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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.