Home / 162,072.70-223,392.63-108,338.11

Finding the Fourth Proportional to 162,072.70, 223,392.63 and 108,338.11

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Solution

The fourth proportional to 162,072.70, 223,392.63 and 108,338.11 is: 149,327.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,072.70 : 223,392.63 = 108,338.11 : x
  2. Step 2: Convert to fraction form
    162,072.70/223,392.63 = 108,338.11/x
  3. Step 3: Cross multiply
    162,072.70x = 223,392.63 × 108,338.11
  4. Step 4: Simplify right side
    162,072.70x = 24,201,935,169.92
  5. Step 5: Solve for x
    x = 24,201,935,169.92/162,072.70
  6. Step 6: Final answer
    x = 149,327.65

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1.5x scale

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.