Home / 243,820.20-336,455.97-136,371.60

Finding the Fourth Proportional to 243,820.20, 336,455.97 and 136,371.60

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Solution

The fourth proportional to 243,820.20, 336,455.97 and 136,371.60 is: 188,183.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,820.20 : 336,455.97 = 136,371.60 : x
  2. Step 2: Convert to fraction form
    243,820.20/336,455.97 = 136,371.60/x
  3. Step 3: Cross multiply
    243,820.20x = 336,455.97 × 136,371.60
  4. Step 4: Simplify right side
    243,820.20x = 45,883,038,958.45
  5. Step 5: Solve for x
    x = 45,883,038,958.45/243,820.20
  6. Step 6: Final answer
    x = 188,183.91

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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.