Home / 113,107.35-169,777.67-84,749.25

Finding the Fourth Proportional to 113,107.35, 169,777.67 and 84,749.25

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Solution

The fourth proportional to 113,107.35, 169,777.67 and 84,749.25 is: 127,211.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,107.35 : 169,777.67 = 84,749.25 : x
  2. Step 2: Convert to fraction form
    113,107.35/169,777.67 = 84,749.25/x
  3. Step 3: Cross multiply
    113,107.35x = 169,777.67 × 84,749.25
  4. Step 4: Simplify right side
    113,107.35x = 14,388,529,775.50
  5. Step 5: Solve for x
    x = 14,388,529,775.50/113,107.35
  6. Step 6: Final answer
    x = 127,211.27

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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.