Home / 130,049.82-195,073.81-66,887.55

Finding the Fourth Proportional to 130,049.82, 195,073.81 and 66,887.55

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Solution

The fourth proportional to 130,049.82, 195,073.81 and 66,887.55 is: 100,330.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,049.82 : 195,073.81 = 66,887.55 : x
  2. Step 2: Convert to fraction form
    130,049.82/195,073.81 = 66,887.55/x
  3. Step 3: Cross multiply
    130,049.82x = 195,073.81 × 66,887.55
  4. Step 4: Simplify right side
    130,049.82x = 13,048,009,052.85
  5. Step 5: Solve for x
    x = 13,048,009,052.85/130,049.82
  6. Step 6: Final answer
    x = 100,330.85

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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.