Home / 144,021.08-198,749.04-80,358.86

Finding the Fourth Proportional to 144,021.08, 198,749.04 and 80,358.86

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Solution

The fourth proportional to 144,021.08, 198,749.04 and 80,358.86 is: 110,895.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,021.08 : 198,749.04 = 80,358.86 : x
  2. Step 2: Convert to fraction form
    144,021.08/198,749.04 = 80,358.86/x
  3. Step 3: Cross multiply
    144,021.08x = 198,749.04 × 80,358.86
  4. Step 4: Simplify right side
    144,021.08x = 15,971,246,280.49
  5. Step 5: Solve for x
    x = 15,971,246,280.49/144,021.08
  6. Step 6: Final answer
    x = 110,895.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.