Home / 162,273.11-223,909.53-90,653.72

Finding the Fourth Proportional to 162,273.11, 223,909.53 and 90,653.72

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Solution

The fourth proportional to 162,273.11, 223,909.53 and 90,653.72 is: 125,086.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,273.11 : 223,909.53 = 90,653.72 : x
  2. Step 2: Convert to fraction form
    162,273.11/223,909.53 = 90,653.72/x
  3. Step 3: Cross multiply
    162,273.11x = 223,909.53 × 90,653.72
  4. Step 4: Simplify right side
    162,273.11x = 20,298,231,837.95
  5. Step 5: Solve for x
    x = 20,298,231,837.95/162,273.11
  6. Step 6: Final answer
    x = 125,086.85

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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.