Home / 202,860.22-279,852.78-131,263.30

Finding the Fourth Proportional to 202,860.22, 279,852.78 and 131,263.30

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Solution

The fourth proportional to 202,860.22, 279,852.78 and 131,263.30 is: 181,082.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,860.22 : 279,852.78 = 131,263.30 : x
  2. Step 2: Convert to fraction form
    202,860.22/279,852.78 = 131,263.30/x
  3. Step 3: Cross multiply
    202,860.22x = 279,852.78 × 131,263.30
  4. Step 4: Simplify right side
    202,860.22x = 36,734,399,416.97
  5. Step 5: Solve for x
    x = 36,734,399,416.97/202,860.22
  6. Step 6: Final answer
    x = 181,082.32

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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.