Home / 149,688.19-224,523.78-90,507.97

Finding the Fourth Proportional to 149,688.19, 224,523.78 and 90,507.97

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Solution

The fourth proportional to 149,688.19, 224,523.78 and 90,507.97 is: 135,756.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,688.19 : 224,523.78 = 90,507.97 : x
  2. Step 2: Convert to fraction form
    149,688.19/224,523.78 = 90,507.97/x
  3. Step 3: Cross multiply
    149,688.19x = 224,523.78 × 90,507.97
  4. Step 4: Simplify right side
    149,688.19x = 20,321,191,544.53
  5. Step 5: Solve for x
    x = 20,321,191,544.53/149,688.19
  6. Step 6: Final answer
    x = 135,756.81

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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.