Home / 122,610.20-183,915.30-121,832.60

Finding the Fourth Proportional to 122,610.20, 183,915.30 and 121,832.60

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Solution

The fourth proportional to 122,610.20, 183,915.30 and 121,832.60 is: 182,748.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,610.20 : 183,915.30 = 121,832.60 : x
  2. Step 2: Convert to fraction form
    122,610.20/183,915.30 = 121,832.60/x
  3. Step 3: Cross multiply
    122,610.20x = 183,915.30 × 121,832.60
  4. Step 4: Simplify right side
    122,610.20x = 22,406,879,178.78
  5. Step 5: Solve for x
    x = 22,406,879,178.78/122,610.20
  6. Step 6: Final answer
    x = 182,748.90

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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.