Home / 124,241.68-186,456.93-91,048.42

Finding the Fourth Proportional to 124,241.68, 186,456.93 and 91,048.42

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Solution

The fourth proportional to 124,241.68, 186,456.93 and 91,048.42 is: 136,641.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,241.68 : 186,456.93 = 91,048.42 : x
  2. Step 2: Convert to fraction form
    124,241.68/186,456.93 = 91,048.42/x
  3. Step 3: Cross multiply
    124,241.68x = 186,456.93 × 91,048.42
  4. Step 4: Simplify right side
    124,241.68x = 16,976,608,874.55
  5. Step 5: Solve for x
    x = 16,976,608,874.55/124,241.68
  6. Step 6: Final answer
    x = 136,641.82

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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.