Home / 264,102.88-396,191.98-86,623.78

Finding the Fourth Proportional to 264,102.88, 396,191.98 and 86,623.78

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Solution

The fourth proportional to 264,102.88, 396,191.98 and 86,623.78 is: 129,948.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,102.88 : 396,191.98 = 86,623.78 : x
  2. Step 2: Convert to fraction form
    264,102.88/396,191.98 = 86,623.78/x
  3. Step 3: Cross multiply
    264,102.88x = 396,191.98 × 86,623.78
  4. Step 4: Simplify right side
    264,102.88x = 34,319,646,913.28
  5. Step 5: Solve for x
    x = 34,319,646,913.28/264,102.88
  6. Step 6: Final answer
    x = 129,948.02

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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.