Home / 223,891.04-308,973.68-121,919.52

Finding the Fourth Proportional to 223,891.04, 308,973.68 and 121,919.52

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Solution

The fourth proportional to 223,891.04, 308,973.68 and 121,919.52 is: 168,251.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,891.04 : 308,973.68 = 121,919.52 : x
  2. Step 2: Convert to fraction form
    223,891.04/308,973.68 = 121,919.52/x
  3. Step 3: Cross multiply
    223,891.04x = 308,973.68 × 121,919.52
  4. Step 4: Simplify right side
    223,891.04x = 37,669,922,758.23
  5. Step 5: Solve for x
    x = 37,669,922,758.23/223,891.04
  6. Step 6: Final answer
    x = 168,251.14

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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.