Home / 137,904.93-206,832.56-38,040.36

Finding the Fourth Proportional to 137,904.93, 206,832.56 and 38,040.36

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Solution

The fourth proportional to 137,904.93, 206,832.56 and 38,040.36 is: 57,053.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,904.93 : 206,832.56 = 38,040.36 : x
  2. Step 2: Convert to fraction form
    137,904.93/206,832.56 = 38,040.36/x
  3. Step 3: Cross multiply
    137,904.93x = 206,832.56 × 38,040.36
  4. Step 4: Simplify right side
    137,904.93x = 7,867,984,978.98
  5. Step 5: Solve for x
    x = 7,867,984,978.98/137,904.93
  6. Step 6: Final answer
    x = 57,053.69

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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.