Home / 226,985.90-313,146.52-135,086.80

Finding the Fourth Proportional to 226,985.90, 313,146.52 and 135,086.80

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Solution

The fourth proportional to 226,985.90, 313,146.52 and 135,086.80 is: 186,363.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,985.90 : 313,146.52 = 135,086.80 : x
  2. Step 2: Convert to fraction form
    226,985.90/313,146.52 = 135,086.80/x
  3. Step 3: Cross multiply
    226,985.90x = 313,146.52 × 135,086.80
  4. Step 4: Simplify right side
    226,985.90x = 42,301,961,317.94
  5. Step 5: Solve for x
    x = 42,301,961,317.94/226,985.90
  6. Step 6: Final answer
    x = 186,363.83

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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.