Home / 130,665.56-180,395.77-82,308.94

Finding the Fourth Proportional to 130,665.56, 180,395.77 and 82,308.94

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Solution

The fourth proportional to 130,665.56, 180,395.77 and 82,308.94 is: 113,635.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,665.56 : 180,395.77 = 82,308.94 : x
  2. Step 2: Convert to fraction form
    130,665.56/180,395.77 = 82,308.94/x
  3. Step 3: Cross multiply
    130,665.56x = 180,395.77 × 82,308.94
  4. Step 4: Simplify right side
    130,665.56x = 14,848,184,609.18
  5. Step 5: Solve for x
    x = 14,848,184,609.18/130,665.56
  6. Step 6: Final answer
    x = 113,635.03

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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.