Home / 133,609.96-184,188.90-108,415.72

Finding the Fourth Proportional to 133,609.96, 184,188.90 and 108,415.72

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Solution

The fourth proportional to 133,609.96, 184,188.90 and 108,415.72 is: 149,457.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,609.96 : 184,188.90 = 108,415.72 : x
  2. Step 2: Convert to fraction form
    133,609.96/184,188.90 = 108,415.72/x
  3. Step 3: Cross multiply
    133,609.96x = 184,188.90 × 108,415.72
  4. Step 4: Simplify right side
    133,609.96x = 19,968,972,209.51
  5. Step 5: Solve for x
    x = 19,968,972,209.51/133,609.96
  6. Step 6: Final answer
    x = 149,457.21

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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.