Home / 223,126.57-307,654.50-166,439.53

Finding the Fourth Proportional to 223,126.57, 307,654.50 and 166,439.53

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Solution

The fourth proportional to 223,126.57, 307,654.50 and 166,439.53 is: 229,492.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,126.57 : 307,654.50 = 166,439.53 : x
  2. Step 2: Convert to fraction form
    223,126.57/307,654.50 = 166,439.53/x
  3. Step 3: Cross multiply
    223,126.57x = 307,654.50 × 166,439.53
  4. Step 4: Simplify right side
    223,126.57x = 51,205,870,382.39
  5. Step 5: Solve for x
    x = 51,205,870,382.39/223,126.57
  6. Step 6: Final answer
    x = 229,492.48

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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.