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Finding the Fourth Proportional to 169,757.92, 254,756.53 and 79,804.74

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Solution

The fourth proportional to 169,757.92, 254,756.53 and 79,804.74 is: 119,763.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,757.92 : 254,756.53 = 79,804.74 : x
  2. Step 2: Convert to fraction form
    169,757.92/254,756.53 = 79,804.74/x
  3. Step 3: Cross multiply
    169,757.92x = 254,756.53 × 79,804.74
  4. Step 4: Simplify right side
    169,757.92x = 20,330,777,769.99
  5. Step 5: Solve for x
    x = 20,330,777,769.99/169,757.92
  6. Step 6: Final answer
    x = 119,763.35

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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.