Home / 113,733.54-170,396.01-66,960.90

Finding the Fourth Proportional to 113,733.54, 170,396.01 and 66,960.90

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Solution

The fourth proportional to 113,733.54, 170,396.01 and 66,960.90 is: 100,321.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,733.54 : 170,396.01 = 66,960.90 : x
  2. Step 2: Convert to fraction form
    113,733.54/170,396.01 = 66,960.90/x
  3. Step 3: Cross multiply
    113,733.54x = 170,396.01 × 66,960.90
  4. Step 4: Simplify right side
    113,733.54x = 11,409,870,186.01
  5. Step 5: Solve for x
    x = 11,409,870,186.01/113,733.54
  6. Step 6: Final answer
    x = 100,321.07

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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.