Home / 137,869.38-206,674.79-53,683.56

Finding the Fourth Proportional to 137,869.38, 206,674.79 and 53,683.56

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Solution

The fourth proportional to 137,869.38, 206,674.79 and 53,683.56 is: 80,475.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,869.38 : 206,674.79 = 53,683.56 : x
  2. Step 2: Convert to fraction form
    137,869.38/206,674.79 = 53,683.56/x
  3. Step 3: Cross multiply
    137,869.38x = 206,674.79 × 53,683.56
  4. Step 4: Simplify right side
    137,869.38x = 11,095,038,221.03
  5. Step 5: Solve for x
    x = 11,095,038,221.03/137,869.38
  6. Step 6: Final answer
    x = 80,475.00

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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.