Home / 162,296.91-223,965.54-90,677.43

Finding the Fourth Proportional to 162,296.91, 223,965.54 and 90,677.43

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Solution

The fourth proportional to 162,296.91, 223,965.54 and 90,677.43 is: 125,132.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,296.91 : 223,965.54 = 90,677.43 : x
  2. Step 2: Convert to fraction form
    162,296.91/223,965.54 = 90,677.43/x
  3. Step 3: Cross multiply
    162,296.91x = 223,965.54 × 90,677.43
  4. Step 4: Simplify right side
    162,296.91x = 20,308,619,575.76
  5. Step 5: Solve for x
    x = 20,308,619,575.76/162,296.91
  6. Step 6: Final answer
    x = 125,132.51

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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.