Home / 223,514.07-308,451.02-121,539.39

Finding the Fourth Proportional to 223,514.07, 308,451.02 and 121,539.39

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Solution

The fourth proportional to 223,514.07, 308,451.02 and 121,539.39 is: 167,725.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,514.07 : 308,451.02 = 121,539.39 : x
  2. Step 2: Convert to fraction form
    223,514.07/308,451.02 = 121,539.39/x
  3. Step 3: Cross multiply
    223,514.07x = 308,451.02 × 121,539.39
  4. Step 4: Simplify right side
    223,514.07x = 37,488,948,207.98
  5. Step 5: Solve for x
    x = 37,488,948,207.98/223,514.07
  6. Step 6: Final answer
    x = 167,725.23

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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.