Home / 141,290.64-194,984.60-77,632.56

Finding the Fourth Proportional to 141,290.64, 194,984.60 and 77,632.56

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Solution

The fourth proportional to 141,290.64, 194,984.60 and 77,632.56 is: 107,134.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,290.64 : 194,984.60 = 77,632.56 : x
  2. Step 2: Convert to fraction form
    141,290.64/194,984.60 = 77,632.56/x
  3. Step 3: Cross multiply
    141,290.64x = 194,984.60 × 77,632.56
  4. Step 4: Simplify right side
    141,290.64x = 15,137,153,658.58
  5. Step 5: Solve for x
    x = 15,137,153,658.58/141,290.64
  6. Step 6: Final answer
    x = 107,134.87

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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.