Home / 224,172.14-309,352.59-122,193.72

Finding the Fourth Proportional to 224,172.14, 309,352.59 and 122,193.72

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Solution

The fourth proportional to 224,172.14, 309,352.59 and 122,193.72 is: 168,624.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,172.14 : 309,352.59 = 122,193.72 : x
  2. Step 2: Convert to fraction form
    224,172.14/309,352.59 = 122,193.72/x
  3. Step 3: Cross multiply
    224,172.14x = 309,352.59 × 122,193.72
  4. Step 4: Simplify right side
    224,172.14x = 37,800,943,763.73
  5. Step 5: Solve for x
    x = 37,800,943,763.73/224,172.14
  6. Step 6: Final answer
    x = 168,624.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.