Home / 133,427.84-184,134.79-72,997.10

Finding the Fourth Proportional to 133,427.84, 184,134.79 and 72,997.10

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Solution

The fourth proportional to 133,427.84, 184,134.79 and 72,997.10 is: 100,738.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,427.84 : 184,134.79 = 72,997.10 : x
  2. Step 2: Convert to fraction form
    133,427.84/184,134.79 = 72,997.10/x
  3. Step 3: Cross multiply
    133,427.84x = 184,134.79 × 72,997.10
  4. Step 4: Simplify right side
    133,427.84x = 13,441,304,393.45
  5. Step 5: Solve for x
    x = 13,441,304,393.45/133,427.84
  6. Step 6: Final answer
    x = 100,738.38

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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.