Home / 202,839.60-279,825.52-131,242.96

Finding the Fourth Proportional to 202,839.60, 279,825.52 and 131,242.96

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Solution

The fourth proportional to 202,839.60, 279,825.52 and 131,242.96 is: 181,055.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,839.60 : 279,825.52 = 131,242.96 : x
  2. Step 2: Convert to fraction form
    202,839.60/279,825.52 = 131,242.96/x
  3. Step 3: Cross multiply
    202,839.60x = 279,825.52 × 131,242.96
  4. Step 4: Simplify right side
    202,839.60x = 36,725,129,528.34
  5. Step 5: Solve for x
    x = 36,725,129,528.34/202,839.60
  6. Step 6: Final answer
    x = 181,055.03

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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.