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Finding the Fourth Proportional to 164,025.08, 245,882.10 and 80,821.88

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Solution

The fourth proportional to 164,025.08, 245,882.10 and 80,821.88 is: 121,156.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,025.08 : 245,882.10 = 80,821.88 : x
  2. Step 2: Convert to fraction form
    164,025.08/245,882.10 = 80,821.88/x
  3. Step 3: Cross multiply
    164,025.08x = 245,882.10 × 80,821.88
  4. Step 4: Simplify right side
    164,025.08x = 19,872,653,580.35
  5. Step 5: Solve for x
    x = 19,872,653,580.35/164,025.08
  6. Step 6: Final answer
    x = 121,156.19

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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.