Home / 133,685.38-184,485.82-79,972.66

Finding the Fourth Proportional to 133,685.38, 184,485.82 and 79,972.66

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Solution

The fourth proportional to 133,685.38, 184,485.82 and 79,972.66 is: 110,362.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,685.38 : 184,485.82 = 79,972.66 : x
  2. Step 2: Convert to fraction form
    133,685.38/184,485.82 = 79,972.66/x
  3. Step 3: Cross multiply
    133,685.38x = 184,485.82 × 79,972.66
  4. Step 4: Simplify right side
    133,685.38x = 14,753,820,635.32
  5. Step 5: Solve for x
    x = 14,753,820,635.32/133,685.38
  6. Step 6: Final answer
    x = 110,362.26

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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.