Home / 221,093.90-305,106.98-130,450.04

Finding the Fourth Proportional to 221,093.90, 305,106.98 and 130,450.04

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Solution

The fourth proportional to 221,093.90, 305,106.98 and 130,450.04 is: 180,019.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,093.90 : 305,106.98 = 130,450.04 : x
  2. Step 2: Convert to fraction form
    221,093.90/305,106.98 = 130,450.04/x
  3. Step 3: Cross multiply
    221,093.90x = 305,106.98 × 130,450.04
  4. Step 4: Simplify right side
    221,093.90x = 39,801,217,745.28
  5. Step 5: Solve for x
    x = 39,801,217,745.28/221,093.90
  6. Step 6: Final answer
    x = 180,019.52

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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.