Home / 97,725.25-146,339.78-81,888.64

Finding the Fourth Proportional to 97,725.25, 146,339.78 and 81,888.64

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Solution

The fourth proportional to 97,725.25, 146,339.78 and 81,888.64 is: 122,625.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,725.25 : 146,339.78 = 81,888.64 : x
  2. Step 2: Convert to fraction form
    97,725.25/146,339.78 = 81,888.64/x
  3. Step 3: Cross multiply
    97,725.25x = 146,339.78 × 81,888.64
  4. Step 4: Simplify right side
    97,725.25x = 11,983,564,420.96
  5. Step 5: Solve for x
    x = 11,983,564,420.96/97,725.25
  6. Step 6: Final answer
    x = 122,625.06

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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.