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Finding the Fourth Proportional to 114,311.46, 171,481.77 and 35,430.42

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Solution

The fourth proportional to 114,311.46, 171,481.77 and 35,430.42 is: 53,150.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,311.46 : 171,481.77 = 35,430.42 : x
  2. Step 2: Convert to fraction form
    114,311.46/171,481.77 = 35,430.42/x
  3. Step 3: Cross multiply
    114,311.46x = 171,481.77 × 35,430.42
  4. Step 4: Simplify right side
    114,311.46x = 6,075,671,133.44
  5. Step 5: Solve for x
    x = 6,075,671,133.44/114,311.46
  6. Step 6: Final answer
    x = 53,150.15

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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.