Home / 161,835.88-223,328.91-90,214.42

Finding the Fourth Proportional to 161,835.88, 223,328.91 and 90,214.42

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Solution

The fourth proportional to 161,835.88, 223,328.91 and 90,214.42 is: 124,493.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,835.88 : 223,328.91 = 90,214.42 : x
  2. Step 2: Convert to fraction form
    161,835.88/223,328.91 = 90,214.42/x
  3. Step 3: Cross multiply
    161,835.88x = 223,328.91 × 90,214.42
  4. Step 4: Simplify right side
    161,835.88x = 20,147,488,084.88
  5. Step 5: Solve for x
    x = 20,147,488,084.88/161,835.88
  6. Step 6: Final answer
    x = 124,493.33

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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.