Home / 109,949.27-151,721.60-62,205.66

Finding the Fourth Proportional to 109,949.27, 151,721.60 and 62,205.66

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Solution

The fourth proportional to 109,949.27, 151,721.60 and 62,205.66 is: 85,839.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,949.27 : 151,721.60 = 62,205.66 : x
  2. Step 2: Convert to fraction form
    109,949.27/151,721.60 = 62,205.66/x
  3. Step 3: Cross multiply
    109,949.27x = 151,721.60 × 62,205.66
  4. Step 4: Simplify right side
    109,949.27x = 9,437,941,953.23
  5. Step 5: Solve for x
    x = 9,437,941,953.23/109,949.27
  6. Step 6: Final answer
    x = 85,839.06

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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.