Home / 223,784.88-308,829.68-121,816.92

Finding the Fourth Proportional to 223,784.88, 308,829.68 and 121,816.92

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Solution

The fourth proportional to 223,784.88, 308,829.68 and 121,816.92 is: 168,110.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,784.88 : 308,829.68 = 121,816.92 : x
  2. Step 2: Convert to fraction form
    223,784.88/308,829.68 = 121,816.92/x
  3. Step 3: Cross multiply
    223,784.88x = 308,829.68 × 121,816.92
  4. Step 4: Simplify right side
    223,784.88x = 37,620,680,422.19
  5. Step 5: Solve for x
    x = 37,620,680,422.19/223,784.88
  6. Step 6: Final answer
    x = 168,110.91

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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.