Home / 127,353.12-191,067.84-51,412.56

Finding the Fourth Proportional to 127,353.12, 191,067.84 and 51,412.56

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Solution

The fourth proportional to 127,353.12, 191,067.84 and 51,412.56 is: 77,134.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,353.12 : 191,067.84 = 51,412.56 : x
  2. Step 2: Convert to fraction form
    127,353.12/191,067.84 = 51,412.56/x
  3. Step 3: Cross multiply
    127,353.12x = 191,067.84 × 51,412.56
  4. Step 4: Simplify right side
    127,353.12x = 9,823,286,788.07
  5. Step 5: Solve for x
    x = 9,823,286,788.07/127,353.12
  6. Step 6: Final answer
    x = 77,134.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.