Home / 133,380.16-184,057.74-72,939.04

Finding the Fourth Proportional to 133,380.16, 184,057.74 and 72,939.04

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Solution

The fourth proportional to 133,380.16, 184,057.74 and 72,939.04 is: 100,652.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,380.16 : 184,057.74 = 72,939.04 : x
  2. Step 2: Convert to fraction form
    133,380.16/184,057.74 = 72,939.04/x
  3. Step 3: Cross multiply
    133,380.16x = 184,057.74 × 72,939.04
  4. Step 4: Simplify right side
    133,380.16x = 13,424,994,860.17
  5. Step 5: Solve for x
    x = 13,424,994,860.17/133,380.16
  6. Step 6: Final answer
    x = 100,652.11

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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.