Home / 100,688.22-151,022.58-30,568.14

Finding the Fourth Proportional to 100,688.22, 151,022.58 and 30,568.14

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Solution

The fourth proportional to 100,688.22, 151,022.58 and 30,568.14 is: 45,849.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,688.22 : 151,022.58 = 30,568.14 : x
  2. Step 2: Convert to fraction form
    100,688.22/151,022.58 = 30,568.14/x
  3. Step 3: Cross multiply
    100,688.22x = 151,022.58 × 30,568.14
  4. Step 4: Simplify right side
    100,688.22x = 4,616,479,368.60
  5. Step 5: Solve for x
    x = 4,616,479,368.60/100,688.22
  6. Step 6: Final answer
    x = 45,849.25

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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.