Home / 113,589.50-170,406.12-51,260

Finding the Fourth Proportional to 113,589.50, 170,406.12 and 51,260

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Solution

The fourth proportional to 113,589.50, 170,406.12 and 51,260 is: 76,899.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,589.50 : 170,406.12 = 51,260 : x
  2. Step 2: Convert to fraction form
    113,589.50/170,406.12 = 51,260/x
  3. Step 3: Cross multiply
    113,589.50x = 170,406.12 × 51,260
  4. Step 4: Simplify right side
    113,589.50x = 8,735,017,711.20
  5. Step 5: Solve for x
    x = 8,735,017,711.20/113,589.50
  6. Step 6: Final answer
    x = 76,899.87

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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.