Home / 109,687.29-151,371.24-67,269.21

Finding the Fourth Proportional to 109,687.29, 151,371.24 and 67,269.21

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Solution

The fourth proportional to 109,687.29, 151,371.24 and 67,269.21 is: 92,833.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,687.29 : 151,371.24 = 67,269.21 : x
  2. Step 2: Convert to fraction form
    109,687.29/151,371.24 = 67,269.21/x
  3. Step 3: Cross multiply
    109,687.29x = 151,371.24 × 67,269.21
  4. Step 4: Simplify right side
    109,687.29x = 10,182,623,731.52
  5. Step 5: Solve for x
    x = 10,182,623,731.52/109,687.29
  6. Step 6: Final answer
    x = 92,833.21

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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.