Home / 90,286.84-135,448.48-62,220.34

Finding the Fourth Proportional to 90,286.84, 135,448.48 and 62,220.34

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Solution

The fourth proportional to 90,286.84, 135,448.48 and 62,220.34 is: 93,343.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,286.84 : 135,448.48 = 62,220.34 : x
  2. Step 2: Convert to fraction form
    90,286.84/135,448.48 = 62,220.34/x
  3. Step 3: Cross multiply
    90,286.84x = 135,448.48 × 62,220.34
  4. Step 4: Simplify right side
    90,286.84x = 8,427,649,800.84
  5. Step 5: Solve for x
    x = 8,427,649,800.84/90,286.84
  6. Step 6: Final answer
    x = 93,343.06

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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.