Home / 149,914.35-224,989.53-69,911.15

Finding the Fourth Proportional to 149,914.35, 224,989.53 and 69,911.15

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Solution

The fourth proportional to 149,914.35, 224,989.53 and 69,911.15 is: 104,921.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,914.35 : 224,989.53 = 69,911.15 : x
  2. Step 2: Convert to fraction form
    149,914.35/224,989.53 = 69,911.15/x
  3. Step 3: Cross multiply
    149,914.35x = 224,989.53 × 69,911.15
  4. Step 4: Simplify right side
    149,914.35x = 15,729,277,342.73
  5. Step 5: Solve for x
    x = 15,729,277,342.73/149,914.35
  6. Step 6: Final answer
    x = 104,921.76

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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.