Home / 132,000.80-197,999.40-43,257.20

Finding the Fourth Proportional to 132,000.80, 197,999.40 and 43,257.20

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Solution

The fourth proportional to 132,000.80, 197,999.40 and 43,257.20 is: 64,885.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,000.80 : 197,999.40 = 43,257.20 : x
  2. Step 2: Convert to fraction form
    132,000.80/197,999.40 = 43,257.20/x
  3. Step 3: Cross multiply
    132,000.80x = 197,999.40 × 43,257.20
  4. Step 4: Simplify right side
    132,000.80x = 8,564,899,645.68
  5. Step 5: Solve for x
    x = 8,564,899,645.68/132,000.80
  6. Step 6: Final answer
    x = 64,885.21

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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.