Home / 149,654.35-206,527.38-81,675.69

Finding the Fourth Proportional to 149,654.35, 206,527.38 and 81,675.69

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Solution

The fourth proportional to 149,654.35, 206,527.38 and 81,675.69 is: 112,714.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,654.35 : 206,527.38 = 81,675.69 : x
  2. Step 2: Convert to fraction form
    149,654.35/206,527.38 = 81,675.69/x
  3. Step 3: Cross multiply
    149,654.35x = 206,527.38 × 81,675.69
  4. Step 4: Simplify right side
    149,654.35x = 16,868,266,346.35
  5. Step 5: Solve for x
    x = 16,868,266,346.35/149,654.35
  6. Step 6: Final answer
    x = 112,714.84

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1.5x scale

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.