Home / 141,218.75-194,881.13-76,687.43

Finding the Fourth Proportional to 141,218.75, 194,881.13 and 76,687.43

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Solution

The fourth proportional to 141,218.75, 194,881.13 and 76,687.43 is: 105,828.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,218.75 : 194,881.13 = 76,687.43 : x
  2. Step 2: Convert to fraction form
    141,218.75/194,881.13 = 76,687.43/x
  3. Step 3: Cross multiply
    141,218.75x = 194,881.13 × 76,687.43
  4. Step 4: Simplify right side
    141,218.75x = 14,944,931,657.35
  5. Step 5: Solve for x
    x = 14,944,931,657.35/141,218.75
  6. Step 6: Final answer
    x = 105,828.24

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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.