Home / 105,682.64-158,544.68-39,123.28

Finding the Fourth Proportional to 105,682.64, 158,544.68 and 39,123.28

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Solution

The fourth proportional to 105,682.64, 158,544.68 and 39,123.28 is: 58,692.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,682.64 : 158,544.68 = 39,123.28 : x
  2. Step 2: Convert to fraction form
    105,682.64/158,544.68 = 39,123.28/x
  3. Step 3: Cross multiply
    105,682.64x = 158,544.68 × 39,123.28
  4. Step 4: Simplify right side
    105,682.64x = 6,202,787,908.15
  5. Step 5: Solve for x
    x = 6,202,787,908.15/105,682.64
  6. Step 6: Final answer
    x = 58,692.59

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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.