Home / 141,277.56-194,963.12-77,619.46

Finding the Fourth Proportional to 141,277.56, 194,963.12 and 77,619.46

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Solution

The fourth proportional to 141,277.56, 194,963.12 and 77,619.46 is: 107,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,277.56 : 194,963.12 = 77,619.46 : x
  2. Step 2: Convert to fraction form
    141,277.56/194,963.12 = 77,619.46/x
  3. Step 3: Cross multiply
    141,277.56x = 194,963.12 × 77,619.46
  4. Step 4: Simplify right side
    141,277.56x = 15,132,932,094.32
  5. Step 5: Solve for x
    x = 15,132,932,094.32/141,277.56
  6. Step 6: Final answer
    x = 107,114.90

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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.