Home / 220,123.40-330,185.10-114,974.60

Finding the Fourth Proportional to 220,123.40, 330,185.10 and 114,974.60

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Solution

The fourth proportional to 220,123.40, 330,185.10 and 114,974.60 is: 172,461.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,123.40 : 330,185.10 = 114,974.60 : x
  2. Step 2: Convert to fraction form
    220,123.40/330,185.10 = 114,974.60/x
  3. Step 3: Cross multiply
    220,123.40x = 330,185.10 × 114,974.60
  4. Step 4: Simplify right side
    220,123.40x = 37,962,899,798.46
  5. Step 5: Solve for x
    x = 37,962,899,798.46/220,123.40
  6. Step 6: Final answer
    x = 172,461.90

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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.