Home / 135,100.16-202,619.42-50,869.21

Finding the Fourth Proportional to 135,100.16, 202,619.42 and 50,869.21

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Solution

The fourth proportional to 135,100.16, 202,619.42 and 50,869.21 is: 76,292.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,100.16 : 202,619.42 = 50,869.21 : x
  2. Step 2: Convert to fraction form
    135,100.16/202,619.42 = 50,869.21/x
  3. Step 3: Cross multiply
    135,100.16x = 202,619.42 × 50,869.21
  4. Step 4: Simplify right side
    135,100.16x = 10,307,088,812.96
  5. Step 5: Solve for x
    x = 10,307,088,812.96/135,100.16
  6. Step 6: Final answer
    x = 76,292.20

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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.