Home / 223,464.47-308,387.06-121,496.80

Finding the Fourth Proportional to 223,464.47, 308,387.06 and 121,496.80

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Solution

The fourth proportional to 223,464.47, 308,387.06 and 121,496.80 is: 167,668.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,464.47 : 308,387.06 = 121,496.80 : x
  2. Step 2: Convert to fraction form
    223,464.47/308,387.06 = 121,496.80/x
  3. Step 3: Cross multiply
    223,464.47x = 308,387.06 × 121,496.80
  4. Step 4: Simplify right side
    223,464.47x = 37,468,039,572.96
  5. Step 5: Solve for x
    x = 37,468,039,572.96/223,464.47
  6. Step 6: Final answer
    x = 167,668.89

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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.