Home / 147,512.48-221,690.41-137,516.86

Finding the Fourth Proportional to 147,512.48, 221,690.41 and 137,516.86

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Solution

The fourth proportional to 147,512.48, 221,690.41 and 137,516.86 is: 206,668.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,512.48 : 221,690.41 = 137,516.86 : x
  2. Step 2: Convert to fraction form
    147,512.48/221,690.41 = 137,516.86/x
  3. Step 3: Cross multiply
    147,512.48x = 221,690.41 × 137,516.86
  4. Step 4: Simplify right side
    147,512.48x = 30,486,169,438.75
  5. Step 5: Solve for x
    x = 30,486,169,438.75/147,512.48
  6. Step 6: Final answer
    x = 206,668.41

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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.