Home / 87,177.79-130,749.46-23,981.60

Finding the Fourth Proportional to 87,177.79, 130,749.46 and 23,981.60

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Solution

The fourth proportional to 87,177.79, 130,749.46 and 23,981.60 is: 35,967.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,177.79 : 130,749.46 = 23,981.60 : x
  2. Step 2: Convert to fraction form
    87,177.79/130,749.46 = 23,981.60/x
  3. Step 3: Cross multiply
    87,177.79x = 130,749.46 × 23,981.60
  4. Step 4: Simplify right side
    87,177.79x = 3,135,581,806.98
  5. Step 5: Solve for x
    x = 3,135,581,806.98/87,177.79
  6. Step 6: Final answer
    x = 35,967.67

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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.