Home / 119,281.50-164,590.68-68,286.18

Finding the Fourth Proportional to 119,281.50, 164,590.68 and 68,286.18

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Solution

The fourth proportional to 119,281.50, 164,590.68 and 68,286.18 is: 94,224.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,281.50 : 164,590.68 = 68,286.18 : x
  2. Step 2: Convert to fraction form
    119,281.50/164,590.68 = 68,286.18/x
  3. Step 3: Cross multiply
    119,281.50x = 164,590.68 × 68,286.18
  4. Step 4: Simplify right side
    119,281.50x = 11,239,268,800.80
  5. Step 5: Solve for x
    x = 11,239,268,800.80/119,281.50
  6. Step 6: Final answer
    x = 94,224.74

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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.