Home / 358,766.20-538,149.30-122,116.60

Finding the Fourth Proportional to 358,766.20, 538,149.30 and 122,116.60

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Solution

The fourth proportional to 358,766.20, 538,149.30 and 122,116.60 is: 183,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,766.20 : 538,149.30 = 122,116.60 : x
  2. Step 2: Convert to fraction form
    358,766.20/538,149.30 = 122,116.60/x
  3. Step 3: Cross multiply
    358,766.20x = 538,149.30 × 122,116.60
  4. Step 4: Simplify right side
    358,766.20x = 65,716,962,808.38
  5. Step 5: Solve for x
    x = 65,716,962,808.38/358,766.20
  6. Step 6: Final answer
    x = 183,174.90

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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.