Home / 149,985.86-206,560.41-146,719.94

Finding the Fourth Proportional to 149,985.86, 206,560.41 and 146,719.94

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Solution

The fourth proportional to 149,985.86, 206,560.41 and 146,719.94 is: 202,062.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,985.86 : 206,560.41 = 146,719.94 : x
  2. Step 2: Convert to fraction form
    149,985.86/206,560.41 = 146,719.94/x
  3. Step 3: Cross multiply
    149,985.86x = 206,560.41 × 146,719.94
  4. Step 4: Simplify right side
    149,985.86x = 30,306,530,961.58
  5. Step 5: Solve for x
    x = 30,306,530,961.58/149,985.86
  6. Step 6: Final answer
    x = 202,062.59

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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.