Home / 223,261.48-308,099.59-121,286.06

Finding the Fourth Proportional to 223,261.48, 308,099.59 and 121,286.06

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Solution

The fourth proportional to 223,261.48, 308,099.59 and 121,286.06 is: 167,374.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,261.48 : 308,099.59 = 121,286.06 : x
  2. Step 2: Convert to fraction form
    223,261.48/308,099.59 = 121,286.06/x
  3. Step 3: Cross multiply
    223,261.48x = 308,099.59 × 121,286.06
  4. Step 4: Simplify right side
    223,261.48x = 37,368,185,358.72
  5. Step 5: Solve for x
    x = 37,368,185,358.72/223,261.48
  6. Step 6: Final answer
    x = 167,374.08

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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.