Home / 103,475.59-155,321.97-91,704.67

Finding the Fourth Proportional to 103,475.59, 155,321.97 and 91,704.67

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Solution

The fourth proportional to 103,475.59, 155,321.97 and 91,704.67 is: 137,653.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,475.59 : 155,321.97 = 91,704.67 : x
  2. Step 2: Convert to fraction form
    103,475.59/155,321.97 = 91,704.67/x
  3. Step 3: Cross multiply
    103,475.59x = 155,321.97 × 91,704.67
  4. Step 4: Simplify right side
    103,475.59x = 14,243,749,614.30
  5. Step 5: Solve for x
    x = 14,243,749,614.30/103,475.59
  6. Step 6: Final answer
    x = 137,653.24

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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.