Home / 223,208.73-308,030.31-121,235.18

Finding the Fourth Proportional to 223,208.73, 308,030.31 and 121,235.18

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Solution

The fourth proportional to 223,208.73, 308,030.31 and 121,235.18 is: 167,305.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,208.73 : 308,030.31 = 121,235.18 : x
  2. Step 2: Convert to fraction form
    223,208.73/308,030.31 = 121,235.18/x
  3. Step 3: Cross multiply
    223,208.73x = 308,030.31 × 121,235.18
  4. Step 4: Simplify right side
    223,208.73x = 37,344,108,538.15
  5. Step 5: Solve for x
    x = 37,344,108,538.15/223,208.73
  6. Step 6: Final answer
    x = 167,305.77

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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.