Home / 133,826.36-184,663.36-76,469.40

Finding the Fourth Proportional to 133,826.36, 184,663.36 and 76,469.40

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Solution

The fourth proportional to 133,826.36, 184,663.36 and 76,469.40 is: 105,518.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,826.36 : 184,663.36 = 76,469.40 : x
  2. Step 2: Convert to fraction form
    133,826.36/184,663.36 = 76,469.40/x
  3. Step 3: Cross multiply
    133,826.36x = 184,663.36 × 76,469.40
  4. Step 4: Simplify right side
    133,826.36x = 14,121,097,377.12
  5. Step 5: Solve for x
    x = 14,121,097,377.12/133,826.36
  6. Step 6: Final answer
    x = 105,518.05

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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.