Home / 114,046.20-171,069.30-69,759.45

Finding the Fourth Proportional to 114,046.20, 171,069.30 and 69,759.45

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Solution

The fourth proportional to 114,046.20, 171,069.30 and 69,759.45 is: 104,639.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,046.20 : 171,069.30 = 69,759.45 : x
  2. Step 2: Convert to fraction form
    114,046.20/171,069.30 = 69,759.45/x
  3. Step 3: Cross multiply
    114,046.20x = 171,069.30 × 69,759.45
  4. Step 4: Simplify right side
    114,046.20x = 11,933,700,279.89
  5. Step 5: Solve for x
    x = 11,933,700,279.89/114,046.20
  6. Step 6: Final answer
    x = 104,639.18

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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.