Home / 109,932.66-151,710.80-64,609.99

Finding the Fourth Proportional to 109,932.66, 151,710.80 and 64,609.99

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Solution

The fourth proportional to 109,932.66, 151,710.80 and 64,609.99 is: 89,163.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,932.66 : 151,710.80 = 64,609.99 : x
  2. Step 2: Convert to fraction form
    109,932.66/151,710.80 = 64,609.99/x
  3. Step 3: Cross multiply
    109,932.66x = 151,710.80 × 64,609.99
  4. Step 4: Simplify right side
    109,932.66x = 9,802,032,568.57
  5. Step 5: Solve for x
    x = 9,802,032,568.57/109,932.66
  6. Step 6: Final answer
    x = 89,163.97

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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.