Home / 119,400.08-164,770.92-65,685.15

Finding the Fourth Proportional to 119,400.08, 164,770.92 and 65,685.15

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Solution

The fourth proportional to 119,400.08, 164,770.92 and 65,685.15 is: 90,644.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,400.08 : 164,770.92 = 65,685.15 : x
  2. Step 2: Convert to fraction form
    119,400.08/164,770.92 = 65,685.15/x
  3. Step 3: Cross multiply
    119,400.08x = 164,770.92 × 65,685.15
  4. Step 4: Simplify right side
    119,400.08x = 10,823,002,595.84
  5. Step 5: Solve for x
    x = 10,823,002,595.84/119,400.08
  6. Step 6: Final answer
    x = 90,644.86

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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.