Home / 109,046.82-150,480.66-61,304.61

Finding the Fourth Proportional to 109,046.82, 150,480.66 and 61,304.61

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Solution

The fourth proportional to 109,046.82, 150,480.66 and 61,304.61 is: 84,598.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,046.82 : 150,480.66 = 61,304.61 : x
  2. Step 2: Convert to fraction form
    109,046.82/150,480.66 = 61,304.61/x
  3. Step 3: Cross multiply
    109,046.82x = 150,480.66 × 61,304.61
  4. Step 4: Simplify right side
    109,046.82x = 9,225,158,173.84
  5. Step 5: Solve for x
    x = 9,225,158,173.84/109,046.82
  6. Step 6: Final answer
    x = 84,598.14

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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.