Home / 133,430.70-184,107.15-76,860.30

Finding the Fourth Proportional to 133,430.70, 184,107.15 and 76,860.30

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Solution

The fourth proportional to 133,430.70, 184,107.15 and 76,860.30 is: 106,051.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,430.70 : 184,107.15 = 76,860.30 : x
  2. Step 2: Convert to fraction form
    133,430.70/184,107.15 = 76,860.30/x
  3. Step 3: Cross multiply
    133,430.70x = 184,107.15 × 76,860.30
  4. Step 4: Simplify right side
    133,430.70x = 14,150,530,781.15
  5. Step 5: Solve for x
    x = 14,150,530,781.15/133,430.70
  6. Step 6: Final answer
    x = 106,051.54

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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.