Home / 202,770.31-279,730.02-131,173.42

Finding the Fourth Proportional to 202,770.31, 279,730.02 and 131,173.42

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Solution

The fourth proportional to 202,770.31, 279,730.02 and 131,173.42 is: 180,959.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,770.31 : 279,730.02 = 131,173.42 : x
  2. Step 2: Convert to fraction form
    202,770.31/279,730.02 = 131,173.42/x
  3. Step 3: Cross multiply
    202,770.31x = 279,730.02 × 131,173.42
  4. Step 4: Simplify right side
    202,770.31x = 36,693,143,400.07
  5. Step 5: Solve for x
    x = 36,693,143,400.07/202,770.31
  6. Step 6: Final answer
    x = 180,959.15

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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.