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Finding the Fourth Proportional to 150,308.64, 206,811.36 and 130,101.12

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Solution

The fourth proportional to 150,308.64, 206,811.36 and 130,101.12 is: 179,007.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,308.64 : 206,811.36 = 130,101.12 : x
  2. Step 2: Convert to fraction form
    150,308.64/206,811.36 = 130,101.12/x
  3. Step 3: Cross multiply
    150,308.64x = 206,811.36 × 130,101.12
  4. Step 4: Simplify right side
    150,308.64x = 26,906,389,564.72
  5. Step 5: Solve for x
    x = 26,906,389,564.72/150,308.64
  6. Step 6: Final answer
    x = 179,007.60

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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.