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Finding the Fourth Proportional to 114,449.80, 171,690.90 and 35,555.80

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Solution

The fourth proportional to 114,449.80, 171,690.90 and 35,555.80 is: 53,338.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,449.80 : 171,690.90 = 35,555.80 : x
  2. Step 2: Convert to fraction form
    114,449.80/171,690.90 = 35,555.80/x
  3. Step 3: Cross multiply
    114,449.80x = 171,690.90 × 35,555.80
  4. Step 4: Simplify right side
    114,449.80x = 6,104,607,302.22
  5. Step 5: Solve for x
    x = 6,104,607,302.22/114,449.80
  6. Step 6: Final answer
    x = 53,338.73

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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.