Home / 131,895.46-182,043.21-121,268.26

Finding the Fourth Proportional to 131,895.46, 182,043.21 and 121,268.26

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Solution

The fourth proportional to 131,895.46, 182,043.21 and 121,268.26 is: 167,375.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,895.46 : 182,043.21 = 121,268.26 : x
  2. Step 2: Convert to fraction form
    131,895.46/182,043.21 = 121,268.26/x
  3. Step 3: Cross multiply
    131,895.46x = 182,043.21 × 121,268.26
  4. Step 4: Simplify right side
    131,895.46x = 22,076,063,321.51
  5. Step 5: Solve for x
    x = 22,076,063,321.51/131,895.46
  6. Step 6: Final answer
    x = 167,375.46

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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.