Home / 97,725.75-146,340.52-81,889.14

Finding the Fourth Proportional to 97,725.75, 146,340.52 and 81,889.14

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Solution

The fourth proportional to 97,725.75, 146,340.52 and 81,889.14 is: 122,625.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,725.75 : 146,340.52 = 81,889.14 : x
  2. Step 2: Convert to fraction form
    97,725.75/146,340.52 = 81,889.14/x
  3. Step 3: Cross multiply
    97,725.75x = 146,340.52 × 81,889.14
  4. Step 4: Simplify right side
    97,725.75x = 11,983,699,329.95
  5. Step 5: Solve for x
    x = 11,983,699,329.95/97,725.75
  6. Step 6: Final answer
    x = 122,625.81

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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.