Home / 145,236.56-200,422.46-80,704.13

Finding the Fourth Proportional to 145,236.56, 200,422.46 and 80,704.13

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Solution

The fourth proportional to 145,236.56, 200,422.46 and 80,704.13 is: 111,369.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,236.56 : 200,422.46 = 80,704.13 : x
  2. Step 2: Convert to fraction form
    145,236.56/200,422.46 = 80,704.13/x
  3. Step 3: Cross multiply
    145,236.56x = 200,422.46 × 80,704.13
  4. Step 4: Simplify right side
    145,236.56x = 16,174,919,863.24
  5. Step 5: Solve for x
    x = 16,174,919,863.24/145,236.56
  6. Step 6: Final answer
    x = 111,369.48

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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.