Home / 170,836.30-256,254.45-168,211.90

Finding the Fourth Proportional to 170,836.30, 256,254.45 and 168,211.90

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Solution

The fourth proportional to 170,836.30, 256,254.45 and 168,211.90 is: 252,317.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,836.30 : 256,254.45 = 168,211.90 : x
  2. Step 2: Convert to fraction form
    170,836.30/256,254.45 = 168,211.90/x
  3. Step 3: Cross multiply
    170,836.30x = 256,254.45 × 168,211.90
  4. Step 4: Simplify right side
    170,836.30x = 43,105,047,917.96
  5. Step 5: Solve for x
    x = 43,105,047,917.96/170,836.30
  6. Step 6: Final answer
    x = 252,317.85

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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.