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Finding the Fourth Proportional to 133,594.56, 184,360.44 and 73,978.56

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Solution

The fourth proportional to 133,594.56, 184,360.44 and 73,978.56 is: 102,090.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,594.56 : 184,360.44 = 73,978.56 : x
  2. Step 2: Convert to fraction form
    133,594.56/184,360.44 = 73,978.56/x
  3. Step 3: Cross multiply
    133,594.56x = 184,360.44 × 73,978.56
  4. Step 4: Simplify right side
    133,594.56x = 13,638,719,872.17
  5. Step 5: Solve for x
    x = 13,638,719,872.17/133,594.56
  6. Step 6: Final answer
    x = 102,090.38

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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.