Home / 150,002.64-206,996.04-82,921.68

Finding the Fourth Proportional to 150,002.64, 206,996.04 and 82,921.68

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Solution

The fourth proportional to 150,002.64, 206,996.04 and 82,921.68 is: 114,427.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,002.64 : 206,996.04 = 82,921.68 : x
  2. Step 2: Convert to fraction form
    150,002.64/206,996.04 = 82,921.68/x
  3. Step 3: Cross multiply
    150,002.64x = 206,996.04 × 82,921.68
  4. Step 4: Simplify right side
    150,002.64x = 17,164,459,390.15
  5. Step 5: Solve for x
    x = 17,164,459,390.15/150,002.64
  6. Step 6: Final answer
    x = 114,427.72

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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.