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Finding the Fourth Proportional to 133,776.84, 184,614.12 and 73,353

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Solution

The fourth proportional to 133,776.84, 184,614.12 and 73,353 is: 101,228.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,776.84 : 184,614.12 = 73,353 : x
  2. Step 2: Convert to fraction form
    133,776.84/184,614.12 = 73,353/x
  3. Step 3: Cross multiply
    133,776.84x = 184,614.12 × 73,353
  4. Step 4: Simplify right side
    133,776.84x = 13,541,999,544.36
  5. Step 5: Solve for x
    x = 13,541,999,544.36/133,776.84
  6. Step 6: Final answer
    x = 101,228.28

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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.