Home / 223,016.09-307,741.68-132,356.43

Finding the Fourth Proportional to 223,016.09, 307,741.68 and 132,356.43

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Solution

The fourth proportional to 223,016.09, 307,741.68 and 132,356.43 is: 182,639.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,016.09 : 307,741.68 = 132,356.43 : x
  2. Step 2: Convert to fraction form
    223,016.09/307,741.68 = 132,356.43/x
  3. Step 3: Cross multiply
    223,016.09x = 307,741.68 × 132,356.43
  4. Step 4: Simplify right side
    223,016.09x = 40,731,590,127.00
  5. Step 5: Solve for x
    x = 40,731,590,127.00/223,016.09
  6. Step 6: Final answer
    x = 182,639.70

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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.