Home / 137,727.36-206,615.28-71,148.96

Finding the Fourth Proportional to 137,727.36, 206,615.28 and 71,148.96

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Solution

The fourth proportional to 137,727.36, 206,615.28 and 71,148.96 is: 106,735.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,727.36 : 206,615.28 = 71,148.96 : x
  2. Step 2: Convert to fraction form
    137,727.36/206,615.28 = 71,148.96/x
  3. Step 3: Cross multiply
    137,727.36x = 206,615.28 × 71,148.96
  4. Step 4: Simplify right side
    137,727.36x = 14,700,462,292.11
  5. Step 5: Solve for x
    x = 14,700,462,292.11/137,727.36
  6. Step 6: Final answer
    x = 106,735.96

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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.