Home / 124,614.40-186,945.90-49,721.80

Finding the Fourth Proportional to 124,614.40, 186,945.90 and 49,721.80

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Solution

The fourth proportional to 124,614.40, 186,945.90 and 49,721.80 is: 74,592.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,614.40 : 186,945.90 = 49,721.80 : x
  2. Step 2: Convert to fraction form
    124,614.40/186,945.90 = 49,721.80/x
  3. Step 3: Cross multiply
    124,614.40x = 186,945.90 × 49,721.80
  4. Step 4: Simplify right side
    124,614.40x = 9,295,286,650.62
  5. Step 5: Solve for x
    x = 9,295,286,650.62/124,614.40
  6. Step 6: Final answer
    x = 74,592.40

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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.