Home / 124,329.75-186,273.49-71,630.34

Finding the Fourth Proportional to 124,329.75, 186,273.49 and 71,630.34

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Solution

The fourth proportional to 124,329.75, 186,273.49 and 71,630.34 is: 107,318.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,329.75 : 186,273.49 = 71,630.34 : x
  2. Step 2: Convert to fraction form
    124,329.75/186,273.49 = 71,630.34/x
  3. Step 3: Cross multiply
    124,329.75x = 186,273.49 × 71,630.34
  4. Step 4: Simplify right side
    124,329.75x = 13,342,833,421.69
  5. Step 5: Solve for x
    x = 13,342,833,421.69/124,329.75
  6. Step 6: Final answer
    x = 107,318.11

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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.