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Finding the Fourth Proportional to 164,023.08, 245,879.10 and 80,819.88

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Solution

The fourth proportional to 164,023.08, 245,879.10 and 80,819.88 is: 121,153.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,023.08 : 245,879.10 = 80,819.88 : x
  2. Step 2: Convert to fraction form
    164,023.08/245,879.10 = 80,819.88/x
  3. Step 3: Cross multiply
    164,023.08x = 245,879.10 × 80,819.88
  4. Step 4: Simplify right side
    164,023.08x = 19,871,919,356.51
  5. Step 5: Solve for x
    x = 19,871,919,356.51/164,023.08
  6. Step 6: Final answer
    x = 121,153.19

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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.