Home / 211,997.16-292,555.13-121,352.63

Finding the Fourth Proportional to 211,997.16, 292,555.13 and 121,352.63

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Solution

The fourth proportional to 211,997.16, 292,555.13 and 121,352.63 is: 167,466.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,997.16 : 292,555.13 = 121,352.63 : x
  2. Step 2: Convert to fraction form
    211,997.16/292,555.13 = 121,352.63/x
  3. Step 3: Cross multiply
    211,997.16x = 292,555.13 × 121,352.63
  4. Step 4: Simplify right side
    211,997.16x = 35,502,332,375.95
  5. Step 5: Solve for x
    x = 35,502,332,375.95/211,997.16
  6. Step 6: Final answer
    x = 167,466.08

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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.