Home / 109,727.67-151,422.37-61,330.73

Finding the Fourth Proportional to 109,727.67, 151,422.37 and 61,330.73

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Solution

The fourth proportional to 109,727.67, 151,422.37 and 61,330.73 is: 84,635.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,727.67 : 151,422.37 = 61,330.73 : x
  2. Step 2: Convert to fraction form
    109,727.67/151,422.37 = 61,330.73/x
  3. Step 3: Cross multiply
    109,727.67x = 151,422.37 × 61,330.73
  4. Step 4: Simplify right side
    109,727.67x = 9,286,844,490.43
  5. Step 5: Solve for x
    x = 9,286,844,490.43/109,727.67
  6. Step 6: Final answer
    x = 84,635.39

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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.