Home / 162,370.78-223,926.10-135,236.95

Finding the Fourth Proportional to 162,370.78, 223,926.10 and 135,236.95

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Solution

The fourth proportional to 162,370.78, 223,926.10 and 135,236.95 is: 186,505.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,370.78 : 223,926.10 = 135,236.95 : x
  2. Step 2: Convert to fraction form
    162,370.78/223,926.10 = 135,236.95/x
  3. Step 3: Cross multiply
    162,370.78x = 223,926.10 × 135,236.95
  4. Step 4: Simplify right side
    162,370.78x = 30,283,082,789.40
  5. Step 5: Solve for x
    x = 30,283,082,789.40/162,370.78
  6. Step 6: Final answer
    x = 186,505.74

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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.