Home / 124,148.06-186,239.60-39,879.97

Finding the Fourth Proportional to 124,148.06, 186,239.60 and 39,879.97

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Solution

The fourth proportional to 124,148.06, 186,239.60 and 39,879.97 is: 59,825.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,148.06 : 186,239.60 = 39,879.97 : x
  2. Step 2: Convert to fraction form
    124,148.06/186,239.60 = 39,879.97/x
  3. Step 3: Cross multiply
    124,148.06x = 186,239.60 × 39,879.97
  4. Step 4: Simplify right side
    124,148.06x = 7,427,229,660.81
  5. Step 5: Solve for x
    x = 7,427,229,660.81/124,148.06
  6. Step 6: Final answer
    x = 59,825.58

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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.