Home / 211,744.53-292,150.40-121,081.79

Finding the Fourth Proportional to 211,744.53, 292,150.40 and 121,081.79

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Solution

The fourth proportional to 211,744.53, 292,150.40 and 121,081.79 is: 167,060.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,744.53 : 292,150.40 = 121,081.79 : x
  2. Step 2: Convert to fraction form
    211,744.53/292,150.40 = 121,081.79/x
  3. Step 3: Cross multiply
    211,744.53x = 292,150.40 × 121,081.79
  4. Step 4: Simplify right side
    211,744.53x = 35,374,093,506.18
  5. Step 5: Solve for x
    x = 35,374,093,506.18/211,744.53
  6. Step 6: Final answer
    x = 167,060.25

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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.