Home / 133,890.90-184,771.29-73,460.40

Finding the Fourth Proportional to 133,890.90, 184,771.29 and 73,460.40

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Solution

The fourth proportional to 133,890.90, 184,771.29 and 73,460.40 is: 101,376.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,890.90 : 184,771.29 = 73,460.40 : x
  2. Step 2: Convert to fraction form
    133,890.90/184,771.29 = 73,460.40/x
  3. Step 3: Cross multiply
    133,890.90x = 184,771.29 × 73,460.40
  4. Step 4: Simplify right side
    133,890.90x = 13,573,372,871.92
  5. Step 5: Solve for x
    x = 13,573,372,871.92/133,890.90
  6. Step 6: Final answer
    x = 101,376.37

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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.