Home / 162,338.43-223,994.97-90,704.61

Finding the Fourth Proportional to 162,338.43, 223,994.97 and 90,704.61

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Solution

The fourth proportional to 162,338.43, 223,994.97 and 90,704.61 is: 125,154.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,338.43 : 223,994.97 = 90,704.61 : x
  2. Step 2: Convert to fraction form
    162,338.43/223,994.97 = 90,704.61/x
  3. Step 3: Cross multiply
    162,338.43x = 223,994.97 × 90,704.61
  4. Step 4: Simplify right side
    162,338.43x = 20,317,376,395.81
  5. Step 5: Solve for x
    x = 20,317,376,395.81/162,338.43
  6. Step 6: Final answer
    x = 125,154.45

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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.