Home / 75,796.80-113,133.84-71,127.36

Finding the Fourth Proportional to 75,796.80, 113,133.84 and 71,127.36

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Solution

The fourth proportional to 75,796.80, 113,133.84 and 71,127.36 is: 106,164.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,796.80 : 113,133.84 = 71,127.36 : x
  2. Step 2: Convert to fraction form
    75,796.80/113,133.84 = 71,127.36/x
  3. Step 3: Cross multiply
    75,796.80x = 113,133.84 × 71,127.36
  4. Step 4: Simplify right side
    75,796.80x = 8,046,911,365.86
  5. Step 5: Solve for x
    x = 8,046,911,365.86/75,796.80
  6. Step 6: Final answer
    x = 106,164.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.