Home / 224,155.76-309,332.92-122,181.20

Finding the Fourth Proportional to 224,155.76, 309,332.92 and 122,181.20

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Solution

The fourth proportional to 224,155.76, 309,332.92 and 122,181.20 is: 168,608.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,155.76 : 309,332.92 = 122,181.20 : x
  2. Step 2: Convert to fraction form
    224,155.76/309,332.92 = 122,181.20/x
  3. Step 3: Cross multiply
    224,155.76x = 309,332.92 × 122,181.20
  4. Step 4: Simplify right side
    224,155.76x = 37,794,667,365.10
  5. Step 5: Solve for x
    x = 37,794,667,365.10/224,155.76
  6. Step 6: Final answer
    x = 168,608.95

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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.