Home / 155,185.92-214,238.34-104,465.34

Finding the Fourth Proportional to 155,185.92, 214,238.34 and 104,465.34

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Solution

The fourth proportional to 155,185.92, 214,238.34 and 104,465.34 is: 144,217.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,185.92 : 214,238.34 = 104,465.34 : x
  2. Step 2: Convert to fraction form
    155,185.92/214,238.34 = 104,465.34/x
  3. Step 3: Cross multiply
    155,185.92x = 214,238.34 × 104,465.34
  4. Step 4: Simplify right side
    155,185.92x = 22,380,481,029.14
  5. Step 5: Solve for x
    x = 22,380,481,029.14/155,185.92
  6. Step 6: Final answer
    x = 144,217.21

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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.