Home / 134,579.30-201,480.15-82,091.30

Finding the Fourth Proportional to 134,579.30, 201,480.15 and 82,091.30

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Solution

The fourth proportional to 134,579.30, 201,480.15 and 82,091.30 is: 122,899.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,579.30 : 201,480.15 = 82,091.30 : x
  2. Step 2: Convert to fraction form
    134,579.30/201,480.15 = 82,091.30/x
  3. Step 3: Cross multiply
    134,579.30x = 201,480.15 × 82,091.30
  4. Step 4: Simplify right side
    134,579.30x = 16,539,767,437.70
  5. Step 5: Solve for x
    x = 16,539,767,437.70/134,579.30
  6. Step 6: Final answer
    x = 122,899.79

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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.