Home / 89,188.28-133,802.14-30,022

Finding the Fourth Proportional to 89,188.28, 133,802.14 and 30,022

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Solution

The fourth proportional to 89,188.28, 133,802.14 and 30,022 is: 45,039.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,188.28 : 133,802.14 = 30,022 : x
  2. Step 2: Convert to fraction form
    89,188.28/133,802.14 = 30,022/x
  3. Step 3: Cross multiply
    89,188.28x = 133,802.14 × 30,022
  4. Step 4: Simplify right side
    89,188.28x = 4,017,007,847.08
  5. Step 5: Solve for x
    x = 4,017,007,847.08/89,188.28
  6. Step 6: Final answer
    x = 45,039.64

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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.