Home / 204,438.72-282,128.63-113,795.67

Finding the Fourth Proportional to 204,438.72, 282,128.63 and 113,795.67

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Solution

The fourth proportional to 204,438.72, 282,128.63 and 113,795.67 is: 157,039.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,438.72 : 282,128.63 = 113,795.67 : x
  2. Step 2: Convert to fraction form
    204,438.72/282,128.63 = 113,795.67/x
  3. Step 3: Cross multiply
    204,438.72x = 282,128.63 × 113,795.67
  4. Step 4: Simplify right side
    204,438.72x = 32,105,015,908.05
  5. Step 5: Solve for x
    x = 32,105,015,908.05/204,438.72
  6. Step 6: Final answer
    x = 157,039.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.