Home / 119,165.09-164,449.17-65,451.35

Finding the Fourth Proportional to 119,165.09, 164,449.17 and 65,451.35

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Solution

The fourth proportional to 119,165.09, 164,449.17 and 65,451.35 is: 90,323.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,165.09 : 164,449.17 = 65,451.35 : x
  2. Step 2: Convert to fraction form
    119,165.09/164,449.17 = 65,451.35/x
  3. Step 3: Cross multiply
    119,165.09x = 164,449.17 × 65,451.35
  4. Step 4: Simplify right side
    119,165.09x = 10,763,420,594.00
  5. Step 5: Solve for x
    x = 10,763,420,594.00/119,165.09
  6. Step 6: Final answer
    x = 90,323.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.