Home / 131,596.26-181,438.26-109,823.88

Finding the Fourth Proportional to 131,596.26, 181,438.26 and 109,823.88

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Solution

The fourth proportional to 131,596.26, 181,438.26 and 109,823.88 is: 151,419.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,596.26 : 181,438.26 = 109,823.88 : x
  2. Step 2: Convert to fraction form
    131,596.26/181,438.26 = 109,823.88/x
  3. Step 3: Cross multiply
    131,596.26x = 181,438.26 × 109,823.88
  4. Step 4: Simplify right side
    131,596.26x = 19,926,253,693.65
  5. Step 5: Solve for x
    x = 19,926,253,693.65/131,596.26
  6. Step 6: Final answer
    x = 151,419.60

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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.