Home / 141,135.84-194,768.28-77,474.16

Finding the Fourth Proportional to 141,135.84, 194,768.28 and 77,474.16

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Solution

The fourth proportional to 141,135.84, 194,768.28 and 77,474.16 is: 106,914.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,135.84 : 194,768.28 = 77,474.16 : x
  2. Step 2: Convert to fraction form
    141,135.84/194,768.28 = 77,474.16/x
  3. Step 3: Cross multiply
    141,135.84x = 194,768.28 × 77,474.16
  4. Step 4: Simplify right side
    141,135.84x = 15,089,508,887.64
  5. Step 5: Solve for x
    x = 15,089,508,887.64/141,135.84
  6. Step 6: Final answer
    x = 106,914.79

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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.