Home / 223,207.98-308,029.28-121,234.43

Finding the Fourth Proportional to 223,207.98, 308,029.28 and 121,234.43

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Solution

The fourth proportional to 223,207.98, 308,029.28 and 121,234.43 is: 167,304.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,207.98 : 308,029.28 = 121,234.43 : x
  2. Step 2: Convert to fraction form
    223,207.98/308,029.28 = 121,234.43/x
  3. Step 3: Cross multiply
    223,207.98x = 308,029.28 × 121,234.43
  4. Step 4: Simplify right side
    223,207.98x = 37,343,752,037.79
  5. Step 5: Solve for x
    x = 37,343,752,037.79/223,207.98
  6. Step 6: Final answer
    x = 167,304.74

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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.