Home / 211,968.20-292,529.19-121,322.22

Finding the Fourth Proportional to 211,968.20, 292,529.19 and 121,322.22

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Solution

The fourth proportional to 211,968.20, 292,529.19 and 121,322.22 is: 167,432.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,968.20 : 292,529.19 = 121,322.22 : x
  2. Step 2: Convert to fraction form
    211,968.20/292,529.19 = 121,322.22/x
  3. Step 3: Cross multiply
    211,968.20x = 292,529.19 × 121,322.22
  4. Step 4: Simplify right side
    211,968.20x = 35,490,290,745.60
  5. Step 5: Solve for x
    x = 35,490,290,745.60/211,968.20
  6. Step 6: Final answer
    x = 167,432.15

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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.