Home / 121,828.88-182,835.64-51,757.36

Finding the Fourth Proportional to 121,828.88, 182,835.64 and 51,757.36

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Solution

The fourth proportional to 121,828.88, 182,835.64 and 51,757.36 is: 77,675.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,828.88 : 182,835.64 = 51,757.36 : x
  2. Step 2: Convert to fraction form
    121,828.88/182,835.64 = 51,757.36/x
  3. Step 3: Cross multiply
    121,828.88x = 182,835.64 × 51,757.36
  4. Step 4: Simplify right side
    121,828.88x = 9,463,090,040.31
  5. Step 5: Solve for x
    x = 9,463,090,040.31/121,828.88
  6. Step 6: Final answer
    x = 77,675.26

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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.