Home / 137,822.14-206,762.66-47,867.64

Finding the Fourth Proportional to 137,822.14, 206,762.66 and 47,867.64

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Solution

The fourth proportional to 137,822.14, 206,762.66 and 47,867.64 is: 71,811.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,822.14 : 206,762.66 = 47,867.64 : x
  2. Step 2: Convert to fraction form
    137,822.14/206,762.66 = 47,867.64/x
  3. Step 3: Cross multiply
    137,822.14x = 206,762.66 × 47,867.64
  4. Step 4: Simplify right side
    137,822.14x = 9,897,239,301.17
  5. Step 5: Solve for x
    x = 9,897,239,301.17/137,822.14
  6. Step 6: Final answer
    x = 71,811.68

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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.