Home / 109,197.32-150,691.82-61,451.46

Finding the Fourth Proportional to 109,197.32, 150,691.82 and 61,451.46

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Solution

The fourth proportional to 109,197.32, 150,691.82 and 61,451.46 is: 84,802.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,197.32 : 150,691.82 = 61,451.46 : x
  2. Step 2: Convert to fraction form
    109,197.32/150,691.82 = 61,451.46/x
  3. Step 3: Cross multiply
    109,197.32x = 150,691.82 × 61,451.46
  4. Step 4: Simplify right side
    109,197.32x = 9,260,232,041.80
  5. Step 5: Solve for x
    x = 9,260,232,041.80/109,197.32
  6. Step 6: Final answer
    x = 84,802.74

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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.