Home / 177,639.80-266,114.10-107,310.20

Finding the Fourth Proportional to 177,639.80, 266,114.10 and 107,310.20

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Solution

The fourth proportional to 177,639.80, 266,114.10 and 107,310.20 is: 160,756.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,639.80 : 266,114.10 = 107,310.20 : x
  2. Step 2: Convert to fraction form
    177,639.80/266,114.10 = 107,310.20/x
  3. Step 3: Cross multiply
    177,639.80x = 266,114.10 × 107,310.20
  4. Step 4: Simplify right side
    177,639.80x = 28,556,757,293.82
  5. Step 5: Solve for x
    x = 28,556,757,293.82/177,639.80
  6. Step 6: Final answer
    x = 160,756.53

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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.