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Finding the Fourth Proportional to 169,499.26, 254,055.57 and 79,447.78

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Solution

The fourth proportional to 169,499.26, 254,055.57 and 79,447.78 is: 119,081.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,499.26 : 254,055.57 = 79,447.78 : x
  2. Step 2: Convert to fraction form
    169,499.26/254,055.57 = 79,447.78/x
  3. Step 3: Cross multiply
    169,499.26x = 254,055.57 × 79,447.78
  4. Step 4: Simplify right side
    169,499.26x = 20,184,151,033.13
  5. Step 5: Solve for x
    x = 20,184,151,033.13/169,499.26
  6. Step 6: Final answer
    x = 119,081.06

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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.