Home / 137,831.72-206,616.36-44,271.88

Finding the Fourth Proportional to 137,831.72, 206,616.36 and 44,271.88

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Solution

The fourth proportional to 137,831.72, 206,616.36 and 44,271.88 is: 66,365.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,831.72 : 206,616.36 = 44,271.88 : x
  2. Step 2: Convert to fraction form
    137,831.72/206,616.36 = 44,271.88/x
  3. Step 3: Cross multiply
    137,831.72x = 206,616.36 × 44,271.88
  4. Step 4: Simplify right side
    137,831.72x = 9,147,294,695.96
  5. Step 5: Solve for x
    x = 9,147,294,695.96/137,831.72
  6. Step 6: Final answer
    x = 66,365.67

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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.