Home / 159,855.40-220,465.02-96,181.30

Finding the Fourth Proportional to 159,855.40, 220,465.02 and 96,181.30

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Solution

The fourth proportional to 159,855.40, 220,465.02 and 96,181.30 is: 132,648.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,855.40 : 220,465.02 = 96,181.30 : x
  2. Step 2: Convert to fraction form
    159,855.40/220,465.02 = 96,181.30/x
  3. Step 3: Cross multiply
    159,855.40x = 220,465.02 × 96,181.30
  4. Step 4: Simplify right side
    159,855.40x = 21,204,612,228.13
  5. Step 5: Solve for x
    x = 21,204,612,228.13/159,855.40
  6. Step 6: Final answer
    x = 132,648.71

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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.