Home / 141,107.18-194,727.74-77,445.14

Finding the Fourth Proportional to 141,107.18, 194,727.74 and 77,445.14

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Solution

The fourth proportional to 141,107.18, 194,727.74 and 77,445.14 is: 106,874.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,107.18 : 194,727.74 = 77,445.14 : x
  2. Step 2: Convert to fraction form
    141,107.18/194,727.74 = 77,445.14/x
  3. Step 3: Cross multiply
    141,107.18x = 194,727.74 × 77,445.14
  4. Step 4: Simplify right side
    141,107.18x = 15,080,717,086.18
  5. Step 5: Solve for x
    x = 15,080,717,086.18/141,107.18
  6. Step 6: Final answer
    x = 106,874.20

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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.