Home / 118,244.36-162,899.96-82,369.46

Finding the Fourth Proportional to 118,244.36, 162,899.96 and 82,369.46

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Solution

The fourth proportional to 118,244.36, 162,899.96 and 82,369.46 is: 113,476.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,244.36 : 162,899.96 = 82,369.46 : x
  2. Step 2: Convert to fraction form
    118,244.36/162,899.96 = 82,369.46/x
  3. Step 3: Cross multiply
    118,244.36x = 162,899.96 × 82,369.46
  4. Step 4: Simplify right side
    118,244.36x = 13,417,981,739.22
  5. Step 5: Solve for x
    x = 13,417,981,739.22/118,244.36
  6. Step 6: Final answer
    x = 113,476.72

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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.