Home / 141,252.78-194,881.25-79,990.58

Finding the Fourth Proportional to 141,252.78, 194,881.25 and 79,990.58

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Solution

The fourth proportional to 141,252.78, 194,881.25 and 79,990.58 is: 110,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,252.78 : 194,881.25 = 79,990.58 : x
  2. Step 2: Convert to fraction form
    141,252.78/194,881.25 = 79,990.58/x
  3. Step 3: Cross multiply
    141,252.78x = 194,881.25 × 79,990.58
  4. Step 4: Simplify right side
    141,252.78x = 15,588,664,218.63
  5. Step 5: Solve for x
    x = 15,588,664,218.63/141,252.78
  6. Step 6: Final answer
    x = 110,360.05

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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.