Home / 109,197.20-150,691.62-61,451.34

Finding the Fourth Proportional to 109,197.20, 150,691.62 and 61,451.34

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Solution

The fourth proportional to 109,197.20, 150,691.62 and 61,451.34 is: 84,802.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,197.20 : 150,691.62 = 61,451.34 : x
  2. Step 2: Convert to fraction form
    109,197.20/150,691.62 = 61,451.34/x
  3. Step 3: Cross multiply
    109,197.20x = 150,691.62 × 61,451.34
  4. Step 4: Simplify right side
    109,197.20x = 9,260,201,975.77
  5. Step 5: Solve for x
    x = 9,260,201,975.77/109,197.20
  6. Step 6: Final answer
    x = 84,802.56

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1.5x scale

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.