Home / 141,455.63-195,204.87-77,793.43

Finding the Fourth Proportional to 141,455.63, 195,204.87 and 77,793.43

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Solution

The fourth proportional to 141,455.63, 195,204.87 and 77,793.43 is: 107,352.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,455.63 : 195,204.87 = 77,793.43 : x
  2. Step 2: Convert to fraction form
    141,455.63/195,204.87 = 77,793.43/x
  3. Step 3: Cross multiply
    141,455.63x = 195,204.87 × 77,793.43
  4. Step 4: Simplify right side
    141,455.63x = 15,185,656,390.00
  5. Step 5: Solve for x
    x = 15,185,656,390.00/141,455.63
  6. Step 6: Final answer
    x = 107,352.79

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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.