Home / 168,798.42-253,123.79-80,077.23

Finding the Fourth Proportional to 168,798.42, 253,123.79 and 80,077.23

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Solution

The fourth proportional to 168,798.42, 253,123.79 and 80,077.23 is: 120,080.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,798.42 : 253,123.79 = 80,077.23 : x
  2. Step 2: Convert to fraction form
    168,798.42/253,123.79 = 80,077.23/x
  3. Step 3: Cross multiply
    168,798.42x = 253,123.79 × 80,077.23
  4. Step 4: Simplify right side
    168,798.42x = 20,269,451,549.92
  5. Step 5: Solve for x
    x = 20,269,451,549.92/168,798.42
  6. Step 6: Final answer
    x = 120,080.81

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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.