Home / 202,866.22-279,861.06-131,269.36

Finding the Fourth Proportional to 202,866.22, 279,861.06 and 131,269.36

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Solution

The fourth proportional to 202,866.22, 279,861.06 and 131,269.36 is: 181,090.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,866.22 : 279,861.06 = 131,269.36 : x
  2. Step 2: Convert to fraction form
    202,866.22/279,861.06 = 131,269.36/x
  3. Step 3: Cross multiply
    202,866.22x = 279,861.06 × 131,269.36
  4. Step 4: Simplify right side
    202,866.22x = 36,737,182,235.12
  5. Step 5: Solve for x
    x = 36,737,182,235.12/202,866.22
  6. Step 6: Final answer
    x = 181,090.68

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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.