Home / 146,599.20-202,070.70-122,979.60

Finding the Fourth Proportional to 146,599.20, 202,070.70 and 122,979.60

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Solution

The fourth proportional to 146,599.20, 202,070.70 and 122,979.60 is: 169,513.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,599.20 : 202,070.70 = 122,979.60 : x
  2. Step 2: Convert to fraction form
    146,599.20/202,070.70 = 122,979.60/x
  3. Step 3: Cross multiply
    146,599.20x = 202,070.70 × 122,979.60
  4. Step 4: Simplify right side
    146,599.20x = 24,850,573,857.72
  5. Step 5: Solve for x
    x = 24,850,573,857.72/146,599.20
  6. Step 6: Final answer
    x = 169,513.71

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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.