Home / 96,448.20-144,672.30-80,896.20

Finding the Fourth Proportional to 96,448.20, 144,672.30 and 80,896.20

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Solution

The fourth proportional to 96,448.20, 144,672.30 and 80,896.20 is: 121,344.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,448.20 : 144,672.30 = 80,896.20 : x
  2. Step 2: Convert to fraction form
    96,448.20/144,672.30 = 80,896.20/x
  3. Step 3: Cross multiply
    96,448.20x = 144,672.30 × 80,896.20
  4. Step 4: Simplify right side
    96,448.20x = 11,703,439,315.26
  5. Step 5: Solve for x
    x = 11,703,439,315.26/96,448.20
  6. Step 6: Final answer
    x = 121,344.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.