Home / 218,442.02-301,468.03-121,664.43

Finding the Fourth Proportional to 218,442.02, 301,468.03 and 121,664.43

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Solution

The fourth proportional to 218,442.02, 301,468.03 and 121,664.43 is: 167,906.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,442.02 : 301,468.03 = 121,664.43 : x
  2. Step 2: Convert to fraction form
    218,442.02/301,468.03 = 121,664.43/x
  3. Step 3: Cross multiply
    218,442.02x = 301,468.03 × 121,664.43
  4. Step 4: Simplify right side
    218,442.02x = 36,677,935,729.01
  5. Step 5: Solve for x
    x = 36,677,935,729.01/218,442.02
  6. Step 6: Final answer
    x = 167,906.96

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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.