Home / 177,941.80-266,783.10-72,706.60

Finding the Fourth Proportional to 177,941.80, 266,783.10 and 72,706.60

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Solution

The fourth proportional to 177,941.80, 266,783.10 and 72,706.60 is: 109,006.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,941.80 : 266,783.10 = 72,706.60 : x
  2. Step 2: Convert to fraction form
    177,941.80/266,783.10 = 72,706.60/x
  3. Step 3: Cross multiply
    177,941.80x = 266,783.10 × 72,706.60
  4. Step 4: Simplify right side
    177,941.80x = 19,396,892,138.46
  5. Step 5: Solve for x
    x = 19,396,892,138.46/177,941.80
  6. Step 6: Final answer
    x = 109,006.95

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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.