Home / 215,823.88-323,723.95-66,064.05

Finding the Fourth Proportional to 215,823.88, 323,723.95 and 66,064.05

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Solution

The fourth proportional to 215,823.88, 323,723.95 and 66,064.05 is: 99,092.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,823.88 : 323,723.95 = 66,064.05 : x
  2. Step 2: Convert to fraction form
    215,823.88/323,723.95 = 66,064.05/x
  3. Step 3: Cross multiply
    215,823.88x = 323,723.95 × 66,064.05
  4. Step 4: Simplify right side
    215,823.88x = 21,386,515,219.00
  5. Step 5: Solve for x
    x = 21,386,515,219.00/215,823.88
  6. Step 6: Final answer
    x = 99,092.44

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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.