Home / 177,749.20-266,662.20-53,102.80

Finding the Fourth Proportional to 177,749.20, 266,662.20 and 53,102.80

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Solution

The fourth proportional to 177,749.20, 266,662.20 and 53,102.80 is: 79,665.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,749.20 : 266,662.20 = 53,102.80 : x
  2. Step 2: Convert to fraction form
    177,749.20/266,662.20 = 53,102.80/x
  3. Step 3: Cross multiply
    177,749.20x = 266,662.20 × 53,102.80
  4. Step 4: Simplify right side
    177,749.20x = 14,160,509,474.16
  5. Step 5: Solve for x
    x = 14,160,509,474.16/177,749.20
  6. Step 6: Final answer
    x = 79,665.67

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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.