Home / 113,604.70-170,405.45-51,275.10

Finding the Fourth Proportional to 113,604.70, 170,405.45 and 51,275.10

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Solution

The fourth proportional to 113,604.70, 170,405.45 and 51,275.10 is: 76,911.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,604.70 : 170,405.45 = 51,275.10 : x
  2. Step 2: Convert to fraction form
    113,604.70/170,405.45 = 51,275.10/x
  3. Step 3: Cross multiply
    113,604.70x = 170,405.45 × 51,275.10
  4. Step 4: Simplify right side
    113,604.70x = 8,737,556,489.30
  5. Step 5: Solve for x
    x = 8,737,556,489.30/113,604.70
  6. Step 6: Final answer
    x = 76,911.93

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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.