Home / 133,388.90-184,078.11-72,958.25

Finding the Fourth Proportional to 133,388.90, 184,078.11 and 72,958.25

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Solution

The fourth proportional to 133,388.90, 184,078.11 and 72,958.25 is: 100,683.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,388.90 : 184,078.11 = 72,958.25 : x
  2. Step 2: Convert to fraction form
    133,388.90/184,078.11 = 72,958.25/x
  3. Step 3: Cross multiply
    133,388.90x = 184,078.11 × 72,958.25
  4. Step 4: Simplify right side
    133,388.90x = 13,430,016,056.87
  5. Step 5: Solve for x
    x = 13,430,016,056.87/133,388.90
  6. Step 6: Final answer
    x = 100,683.16

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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.