Home / 135,371.46-203,052.87-64,345.20

Finding the Fourth Proportional to 135,371.46, 203,052.87 and 64,345.20

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Solution

The fourth proportional to 135,371.46, 203,052.87 and 64,345.20 is: 96,515.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,371.46 : 203,052.87 = 64,345.20 : x
  2. Step 2: Convert to fraction form
    135,371.46/203,052.87 = 64,345.20/x
  3. Step 3: Cross multiply
    135,371.46x = 203,052.87 × 64,345.20
  4. Step 4: Simplify right side
    135,371.46x = 13,065,477,530.72
  5. Step 5: Solve for x
    x = 13,065,477,530.72/135,371.46
  6. Step 6: Final answer
    x = 96,515.75

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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.