Home / 137,821.28-206,713.08-37,967.12

Finding the Fourth Proportional to 137,821.28, 206,713.08 and 37,967.12

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Solution

The fourth proportional to 137,821.28, 206,713.08 and 37,967.12 is: 56,945.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,821.28 : 206,713.08 = 37,967.12 : x
  2. Step 2: Convert to fraction form
    137,821.28/206,713.08 = 37,967.12/x
  3. Step 3: Cross multiply
    137,821.28x = 206,713.08 × 37,967.12
  4. Step 4: Simplify right side
    137,821.28x = 7,848,299,280.36
  5. Step 5: Solve for x
    x = 7,848,299,280.36/137,821.28
  6. Step 6: Final answer
    x = 56,945.48

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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.