Home / 223,196.25-308,013.04-121,223.70

Finding the Fourth Proportional to 223,196.25, 308,013.04 and 121,223.70

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Solution

The fourth proportional to 223,196.25, 308,013.04 and 121,223.70 is: 167,289.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,196.25 : 308,013.04 = 121,223.70 : x
  2. Step 2: Convert to fraction form
    223,196.25/308,013.04 = 121,223.70/x
  3. Step 3: Cross multiply
    223,196.25x = 308,013.04 × 121,223.70
  4. Step 4: Simplify right side
    223,196.25x = 37,338,479,890.07
  5. Step 5: Solve for x
    x = 37,338,479,890.07/223,196.25
  6. Step 6: Final answer
    x = 167,289.91

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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.