Home / 123,610.80-185,416.20-122,298.60

Finding the Fourth Proportional to 123,610.80, 185,416.20 and 122,298.60

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Solution

The fourth proportional to 123,610.80, 185,416.20 and 122,298.60 is: 183,447.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,610.80 : 185,416.20 = 122,298.60 : x
  2. Step 2: Convert to fraction form
    123,610.80/185,416.20 = 122,298.60/x
  3. Step 3: Cross multiply
    123,610.80x = 185,416.20 × 122,298.60
  4. Step 4: Simplify right side
    123,610.80x = 22,676,141,677.32
  5. Step 5: Solve for x
    x = 22,676,141,677.32/123,610.80
  6. Step 6: Final answer
    x = 183,447.90

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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.