Home / 113,840.70-170,761.05-76,418.70

Finding the Fourth Proportional to 113,840.70, 170,761.05 and 76,418.70

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Solution

The fourth proportional to 113,840.70, 170,761.05 and 76,418.70 is: 114,628.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,840.70 : 170,761.05 = 76,418.70 : x
  2. Step 2: Convert to fraction form
    113,840.70/170,761.05 = 76,418.70/x
  3. Step 3: Cross multiply
    113,840.70x = 170,761.05 × 76,418.70
  4. Step 4: Simplify right side
    113,840.70x = 13,049,337,451.64
  5. Step 5: Solve for x
    x = 13,049,337,451.64/113,840.70
  6. Step 6: Final answer
    x = 114,628.05

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1.5x scale

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.