Home / 143,008.26-197,380.08-82,588.74

Finding the Fourth Proportional to 143,008.26, 197,380.08 and 82,588.74

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Solution

The fourth proportional to 143,008.26, 197,380.08 and 82,588.74 is: 113,989.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,008.26 : 197,380.08 = 82,588.74 : x
  2. Step 2: Convert to fraction form
    143,008.26/197,380.08 = 82,588.74/x
  3. Step 3: Cross multiply
    143,008.26x = 197,380.08 × 82,588.74
  4. Step 4: Simplify right side
    143,008.26x = 16,301,372,108.30
  5. Step 5: Solve for x
    x = 16,301,372,108.30/143,008.26
  6. Step 6: Final answer
    x = 113,989.02

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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.