Home / 175,091.20-262,718.80-86,296.30

Finding the Fourth Proportional to 175,091.20, 262,718.80 and 86,296.30

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Solution

The fourth proportional to 175,091.20, 262,718.80 and 86,296.30 is: 129,484.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,091.20 : 262,718.80 = 86,296.30 : x
  2. Step 2: Convert to fraction form
    175,091.20/262,718.80 = 86,296.30/x
  3. Step 3: Cross multiply
    175,091.20x = 262,718.80 × 86,296.30
  4. Step 4: Simplify right side
    175,091.20x = 22,671,660,380.44
  5. Step 5: Solve for x
    x = 22,671,660,380.44/175,091.20
  6. Step 6: Final answer
    x = 129,484.86

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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.