Home / 160,639.92-221,684.94-89,021.16

Finding the Fourth Proportional to 160,639.92, 221,684.94 and 89,021.16

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Solution

The fourth proportional to 160,639.92, 221,684.94 and 89,021.16 is: 122,850.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,639.92 : 221,684.94 = 89,021.16 : x
  2. Step 2: Convert to fraction form
    160,639.92/221,684.94 = 89,021.16/x
  3. Step 3: Cross multiply
    160,639.92x = 221,684.94 × 89,021.16
  4. Step 4: Simplify right side
    160,639.92x = 19,734,650,513.33
  5. Step 5: Solve for x
    x = 19,734,650,513.33/160,639.92
  6. Step 6: Final answer
    x = 122,850.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.