Home / 155,241.54-214,108.02-104,238.90

Finding the Fourth Proportional to 155,241.54, 214,108.02 and 104,238.90

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Solution

The fourth proportional to 155,241.54, 214,108.02 and 104,238.90 is: 143,765.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,241.54 : 214,108.02 = 104,238.90 : x
  2. Step 2: Convert to fraction form
    155,241.54/214,108.02 = 104,238.90/x
  3. Step 3: Cross multiply
    155,241.54x = 214,108.02 × 104,238.90
  4. Step 4: Simplify right side
    155,241.54x = 22,318,384,485.98
  5. Step 5: Solve for x
    x = 22,318,384,485.98/155,241.54
  6. Step 6: Final answer
    x = 143,765.54

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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.