Home / 229,888.96-344,833.14-72,129.56

Finding the Fourth Proportional to 229,888.96, 344,833.14 and 72,129.56

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Solution

The fourth proportional to 229,888.96, 344,833.14 and 72,129.56 is: 108,194.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,888.96 : 344,833.14 = 72,129.56 : x
  2. Step 2: Convert to fraction form
    229,888.96/344,833.14 = 72,129.56/x
  3. Step 3: Cross multiply
    229,888.96x = 344,833.14 × 72,129.56
  4. Step 4: Simplify right side
    229,888.96x = 24,872,662,661.62
  5. Step 5: Solve for x
    x = 24,872,662,661.62/229,888.96
  6. Step 6: Final answer
    x = 108,194.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.