Home / 197,070.56-295,635.04-72,401.84

Finding the Fourth Proportional to 197,070.56, 295,635.04 and 72,401.84

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Solution

The fourth proportional to 197,070.56, 295,635.04 and 72,401.84 is: 108,613.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,070.56 : 295,635.04 = 72,401.84 : x
  2. Step 2: Convert to fraction form
    197,070.56/295,635.04 = 72,401.84/x
  3. Step 3: Cross multiply
    197,070.56x = 295,635.04 × 72,401.84
  4. Step 4: Simplify right side
    197,070.56x = 21,404,520,864.47
  5. Step 5: Solve for x
    x = 21,404,520,864.47/197,070.56
  6. Step 6: Final answer
    x = 108,613.49

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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.