Home / 212,046.66-292,630.73-121,431.96

Finding the Fourth Proportional to 212,046.66, 292,630.73 and 121,431.96

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Solution

The fourth proportional to 212,046.66, 292,630.73 and 121,431.96 is: 167,579.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,046.66 : 292,630.73 = 121,431.96 : x
  2. Step 2: Convert to fraction form
    212,046.66/292,630.73 = 121,431.96/x
  3. Step 3: Cross multiply
    212,046.66x = 292,630.73 × 121,431.96
  4. Step 4: Simplify right side
    212,046.66x = 35,534,722,492.97
  5. Step 5: Solve for x
    x = 35,534,722,492.97/212,046.66
  6. Step 6: Final answer
    x = 167,579.73

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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.