Home / 164,678.12-227,255.95-89,226.62

Finding the Fourth Proportional to 164,678.12, 227,255.95 and 89,226.62

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Solution

The fourth proportional to 164,678.12, 227,255.95 and 89,226.62 is: 123,132.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,678.12 : 227,255.95 = 89,226.62 : x
  2. Step 2: Convert to fraction form
    164,678.12/227,255.95 = 89,226.62/x
  3. Step 3: Cross multiply
    164,678.12x = 227,255.95 × 89,226.62
  4. Step 4: Simplify right side
    164,678.12x = 20,277,278,934.04
  5. Step 5: Solve for x
    x = 20,277,278,934.04/164,678.12
  6. Step 6: Final answer
    x = 123,132.81

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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.