Home / 204,027.10-306,040.65-137,671.90

Finding the Fourth Proportional to 204,027.10, 306,040.65 and 137,671.90

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Solution

The fourth proportional to 204,027.10, 306,040.65 and 137,671.90 is: 206,507.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,027.10 : 306,040.65 = 137,671.90 : x
  2. Step 2: Convert to fraction form
    204,027.10/306,040.65 = 137,671.90/x
  3. Step 3: Cross multiply
    204,027.10x = 306,040.65 × 137,671.90
  4. Step 4: Simplify right side
    204,027.10x = 42,133,197,762.74
  5. Step 5: Solve for x
    x = 42,133,197,762.74/204,027.10
  6. Step 6: Final answer
    x = 206,507.85

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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.