Home / 196,478.34-294,717.75-84,149.40

Finding the Fourth Proportional to 196,478.34, 294,717.75 and 84,149.40

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Solution

The fourth proportional to 196,478.34, 294,717.75 and 84,149.40 is: 126,224.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,478.34 : 294,717.75 = 84,149.40 : x
  2. Step 2: Convert to fraction form
    196,478.34/294,717.75 = 84,149.40/x
  3. Step 3: Cross multiply
    196,478.34x = 294,717.75 × 84,149.40
  4. Step 4: Simplify right side
    196,478.34x = 24,800,321,831.85
  5. Step 5: Solve for x
    x = 24,800,321,831.85/196,478.34
  6. Step 6: Final answer
    x = 126,224.20

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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.