Home / 231,560.34-319,570.44-129,596.02

Finding the Fourth Proportional to 231,560.34, 319,570.44 and 129,596.02

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Solution

The fourth proportional to 231,560.34, 319,570.44 and 129,596.02 is: 178,852.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,560.34 : 319,570.44 = 129,596.02 : x
  2. Step 2: Convert to fraction form
    231,560.34/319,570.44 = 129,596.02/x
  3. Step 3: Cross multiply
    231,560.34x = 319,570.44 × 129,596.02
  4. Step 4: Simplify right side
    231,560.34x = 41,415,057,133.65
  5. Step 5: Solve for x
    x = 41,415,057,133.65/231,560.34
  6. Step 6: Final answer
    x = 178,852.12

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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.