Home / 133,717.39-184,550.33-85,340.19

Finding the Fourth Proportional to 133,717.39, 184,550.33 and 85,340.19

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Solution

The fourth proportional to 133,717.39, 184,550.33 and 85,340.19 is: 117,782.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,717.39 : 184,550.33 = 85,340.19 : x
  2. Step 2: Convert to fraction form
    133,717.39/184,550.33 = 85,340.19/x
  3. Step 3: Cross multiply
    133,717.39x = 184,550.33 × 85,340.19
  4. Step 4: Simplify right side
    133,717.39x = 15,749,559,800.06
  5. Step 5: Solve for x
    x = 15,749,559,800.06/133,717.39
  6. Step 6: Final answer
    x = 117,782.44

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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.