Home / 264,143.10-396,214.60-123,901.72

Finding the Fourth Proportional to 264,143.10, 396,214.60 and 123,901.72

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Solution

The fourth proportional to 264,143.10, 396,214.60 and 123,901.72 is: 185,852.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,143.10 : 396,214.60 = 123,901.72 : x
  2. Step 2: Convert to fraction form
    264,143.10/396,214.60 = 123,901.72/x
  3. Step 3: Cross multiply
    264,143.10x = 396,214.60 × 123,901.72
  4. Step 4: Simplify right side
    264,143.10x = 49,091,670,429.11
  5. Step 5: Solve for x
    x = 49,091,670,429.11/264,143.10
  6. Step 6: Final answer
    x = 185,852.56

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1.5x scale

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.