Home / 80,855.04-121,295.52-34,114.80

Finding the Fourth Proportional to 80,855.04, 121,295.52 and 34,114.80

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Solution

The fourth proportional to 80,855.04, 121,295.52 and 34,114.80 is: 51,177.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,855.04 : 121,295.52 = 34,114.80 : x
  2. Step 2: Convert to fraction form
    80,855.04/121,295.52 = 34,114.80/x
  3. Step 3: Cross multiply
    80,855.04x = 121,295.52 × 34,114.80
  4. Step 4: Simplify right side
    80,855.04x = 4,137,972,405.70
  5. Step 5: Solve for x
    x = 4,137,972,405.70/80,855.04
  6. Step 6: Final answer
    x = 51,177.67

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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.