Home / 149,654.28-206,527.28-81,675.62

Finding the Fourth Proportional to 149,654.28, 206,527.28 and 81,675.62

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Solution

The fourth proportional to 149,654.28, 206,527.28 and 81,675.62 is: 112,714.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,654.28 : 206,527.28 = 81,675.62 : x
  2. Step 2: Convert to fraction form
    149,654.28/206,527.28 = 81,675.62/x
  3. Step 3: Cross multiply
    149,654.28x = 206,527.28 × 81,675.62
  4. Step 4: Simplify right side
    149,654.28x = 16,868,243,143.37
  5. Step 5: Solve for x
    x = 16,868,243,143.37/149,654.28
  6. Step 6: Final answer
    x = 112,714.74

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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.