Home / 131,377.41-179,987.72-126,457.38

Finding the Fourth Proportional to 131,377.41, 179,987.72 and 126,457.38

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Solution

The fourth proportional to 131,377.41, 179,987.72 and 126,457.38 is: 173,247.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,377.41 : 179,987.72 = 126,457.38 : x
  2. Step 2: Convert to fraction form
    131,377.41/179,987.72 = 126,457.38/x
  3. Step 3: Cross multiply
    131,377.41x = 179,987.72 × 126,457.38
  4. Step 4: Simplify right side
    131,377.41x = 22,760,774,871.09
  5. Step 5: Solve for x
    x = 22,760,774,871.09/131,377.41
  6. Step 6: Final answer
    x = 173,247.25

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.