Home / 105,639.57-158,351.22-46,464.21

Finding the Fourth Proportional to 105,639.57, 158,351.22 and 46,464.21

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Solution

The fourth proportional to 105,639.57, 158,351.22 and 46,464.21 is: 69,648.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,639.57 : 158,351.22 = 46,464.21 : x
  2. Step 2: Convert to fraction form
    105,639.57/158,351.22 = 46,464.21/x
  3. Step 3: Cross multiply
    105,639.57x = 158,351.22 × 46,464.21
  4. Step 4: Simplify right side
    105,639.57x = 7,357,664,339.84
  5. Step 5: Solve for x
    x = 7,357,664,339.84/105,639.57
  6. Step 6: Final answer
    x = 69,648.75

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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.