Home / 177,747.80-266,621.70-130,508.60

Finding the Fourth Proportional to 177,747.80, 266,621.70 and 130,508.60

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Solution

The fourth proportional to 177,747.80, 266,621.70 and 130,508.60 is: 195,762.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,747.80 : 266,621.70 = 130,508.60 : x
  2. Step 2: Convert to fraction form
    177,747.80/266,621.70 = 130,508.60/x
  3. Step 3: Cross multiply
    177,747.80x = 266,621.70 × 130,508.60
  4. Step 4: Simplify right side
    177,747.80x = 34,796,424,796.62
  5. Step 5: Solve for x
    x = 34,796,424,796.62/177,747.80
  6. Step 6: Final answer
    x = 195,762.90

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1.5x scale

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.