Home / 131,776.20-197,664.30-43,008.30

Finding the Fourth Proportional to 131,776.20, 197,664.30 and 43,008.30

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Solution

The fourth proportional to 131,776.20, 197,664.30 and 43,008.30 is: 64,512.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,776.20 : 197,664.30 = 43,008.30 : x
  2. Step 2: Convert to fraction form
    131,776.20/197,664.30 = 43,008.30/x
  3. Step 3: Cross multiply
    131,776.20x = 197,664.30 × 43,008.30
  4. Step 4: Simplify right side
    131,776.20x = 8,501,205,513.69
  5. Step 5: Solve for x
    x = 8,501,205,513.69/131,776.20
  6. Step 6: Final answer
    x = 64,512.45

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1.5x scale

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.