Home / 223,932.80-309,030.59-121,962.98

Finding the Fourth Proportional to 223,932.80, 309,030.59 and 121,962.98

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Solution

The fourth proportional to 223,932.80, 309,030.59 and 121,962.98 is: 168,310.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,932.80 : 309,030.59 = 121,962.98 : x
  2. Step 2: Convert to fraction form
    223,932.80/309,030.59 = 121,962.98/x
  3. Step 3: Cross multiply
    223,932.80x = 309,030.59 × 121,962.98
  4. Step 4: Simplify right side
    223,932.80x = 37,690,292,745.04
  5. Step 5: Solve for x
    x = 37,690,292,745.04/223,932.80
  6. Step 6: Final answer
    x = 168,310.73

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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.