Home / 141,102.18-194,720.85-77,440.14

Finding the Fourth Proportional to 141,102.18, 194,720.85 and 77,440.14

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Solution

The fourth proportional to 141,102.18, 194,720.85 and 77,440.14 is: 106,867.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,102.18 : 194,720.85 = 77,440.14 : x
  2. Step 2: Convert to fraction form
    141,102.18/194,720.85 = 77,440.14/x
  3. Step 3: Cross multiply
    141,102.18x = 194,720.85 × 77,440.14
  4. Step 4: Simplify right side
    141,102.18x = 15,079,209,884.92
  5. Step 5: Solve for x
    x = 15,079,209,884.92/141,102.18
  6. Step 6: Final answer
    x = 106,867.31

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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.