Home / 223,377.80-308,263.73-121,403.25

Finding the Fourth Proportional to 223,377.80, 308,263.73 and 121,403.25

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Solution

The fourth proportional to 223,377.80, 308,263.73 and 121,403.25 is: 167,537.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,377.80 : 308,263.73 = 121,403.25 : x
  2. Step 2: Convert to fraction form
    223,377.80/308,263.73 = 121,403.25/x
  3. Step 3: Cross multiply
    223,377.80x = 308,263.73 × 121,403.25
  4. Step 4: Simplify right side
    223,377.80x = 37,424,218,072.11
  5. Step 5: Solve for x
    x = 37,424,218,072.11/223,377.80
  6. Step 6: Final answer
    x = 167,537.77

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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.