Home / 101,546.46-140,198.04-65,264.13

Finding the Fourth Proportional to 101,546.46, 140,198.04 and 65,264.13

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Solution

The fourth proportional to 101,546.46, 140,198.04 and 65,264.13 is: 90,105.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,546.46 : 140,198.04 = 65,264.13 : x
  2. Step 2: Convert to fraction form
    101,546.46/140,198.04 = 65,264.13/x
  3. Step 3: Cross multiply
    101,546.46x = 140,198.04 × 65,264.13
  4. Step 4: Simplify right side
    101,546.46x = 9,149,903,108.31
  5. Step 5: Solve for x
    x = 9,149,903,108.31/101,546.46
  6. Step 6: Final answer
    x = 90,105.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.