Home / 141,113.70-194,724.18-77,450.10

Finding the Fourth Proportional to 141,113.70, 194,724.18 and 77,450.10

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Solution

The fourth proportional to 141,113.70, 194,724.18 and 77,450.10 is: 106,874.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,113.70 : 194,724.18 = 77,450.10 : x
  2. Step 2: Convert to fraction form
    141,113.70/194,724.18 = 77,450.10/x
  3. Step 3: Cross multiply
    141,113.70x = 194,724.18 × 77,450.10
  4. Step 4: Simplify right side
    141,113.70x = 15,081,407,213.42
  5. Step 5: Solve for x
    x = 15,081,407,213.42/141,113.70
  6. Step 6: Final answer
    x = 106,874.15

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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.