Home / 211,863.76-292,370.74-115,066.53

Finding the Fourth Proportional to 211,863.76, 292,370.74 and 115,066.53

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Solution

The fourth proportional to 211,863.76, 292,370.74 and 115,066.53 is: 158,791.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,863.76 : 292,370.74 = 115,066.53 : x
  2. Step 2: Convert to fraction form
    211,863.76/292,370.74 = 115,066.53/x
  3. Step 3: Cross multiply
    211,863.76x = 292,370.74 × 115,066.53
  4. Step 4: Simplify right side
    211,863.76x = 33,642,086,237.67
  5. Step 5: Solve for x
    x = 33,642,086,237.67/211,863.76
  6. Step 6: Final answer
    x = 158,791.13

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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.