Home / 130,285.80-195,756.75-82,922.67

Finding the Fourth Proportional to 130,285.80, 195,756.75 and 82,922.67

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Solution

The fourth proportional to 130,285.80, 195,756.75 and 82,922.67 is: 124,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,285.80 : 195,756.75 = 82,922.67 : x
  2. Step 2: Convert to fraction form
    130,285.80/195,756.75 = 82,922.67/x
  3. Step 3: Cross multiply
    130,285.80x = 195,756.75 × 82,922.67
  4. Step 4: Simplify right side
    130,285.80x = 16,232,672,380.52
  5. Step 5: Solve for x
    x = 16,232,672,380.52/130,285.80
  6. Step 6: Final answer
    x = 124,592.80

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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.