Home / 134,766.42-201,817.46-84,722.40

Finding the Fourth Proportional to 134,766.42, 201,817.46 and 84,722.40

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Solution

The fourth proportional to 134,766.42, 201,817.46 and 84,722.40 is: 126,874.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,766.42 : 201,817.46 = 84,722.40 : x
  2. Step 2: Convert to fraction form
    134,766.42/201,817.46 = 84,722.40/x
  3. Step 3: Cross multiply
    134,766.42x = 201,817.46 × 84,722.40
  4. Step 4: Simplify right side
    134,766.42x = 17,098,459,573.10
  5. Step 5: Solve for x
    x = 17,098,459,573.10/134,766.42
  6. Step 6: Final answer
    x = 126,874.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.