Home / 264,094.20-396,196.47-86,587.20

Finding the Fourth Proportional to 264,094.20, 396,196.47 and 86,587.20

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Solution

The fourth proportional to 264,094.20, 396,196.47 and 86,587.20 is: 129,898.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,094.20 : 396,196.47 = 86,587.20 : x
  2. Step 2: Convert to fraction form
    264,094.20/396,196.47 = 86,587.20/x
  3. Step 3: Cross multiply
    264,094.20x = 396,196.47 × 86,587.20
  4. Step 4: Simplify right side
    264,094.20x = 34,305,542,987.18
  5. Step 5: Solve for x
    x = 34,305,542,987.18/264,094.20
  6. Step 6: Final answer
    x = 129,898.89

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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.