Home / 137,458.38-206,219.86-42,683.68

Finding the Fourth Proportional to 137,458.38, 206,219.86 and 42,683.68

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Solution

The fourth proportional to 137,458.38, 206,219.86 and 42,683.68 is: 64,035.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,458.38 : 206,219.86 = 42,683.68 : x
  2. Step 2: Convert to fraction form
    137,458.38/206,219.86 = 42,683.68/x
  3. Step 3: Cross multiply
    137,458.38x = 206,219.86 × 42,683.68
  4. Step 4: Simplify right side
    137,458.38x = 8,802,221,504.96
  5. Step 5: Solve for x
    x = 8,802,221,504.96/137,458.38
  6. Step 6: Final answer
    x = 64,035.54

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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.