Home / 96,561.48-144,842.31-54,921

Finding the Fourth Proportional to 96,561.48, 144,842.31 and 54,921

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Solution

The fourth proportional to 96,561.48, 144,842.31 and 54,921 is: 82,381.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,561.48 : 144,842.31 = 54,921 : x
  2. Step 2: Convert to fraction form
    96,561.48/144,842.31 = 54,921/x
  3. Step 3: Cross multiply
    96,561.48x = 144,842.31 × 54,921
  4. Step 4: Simplify right side
    96,561.48x = 7,954,884,507.51
  5. Step 5: Solve for x
    x = 7,954,884,507.51/96,561.48
  6. Step 6: Final answer
    x = 82,381.55

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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.