Home / 156,284.48-215,673.60-84,664.44

Finding the Fourth Proportional to 156,284.48, 215,673.60 and 84,664.44

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Solution

The fourth proportional to 156,284.48, 215,673.60 and 84,664.44 is: 116,837.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,284.48 : 215,673.60 = 84,664.44 : x
  2. Step 2: Convert to fraction form
    156,284.48/215,673.60 = 84,664.44/x
  3. Step 3: Cross multiply
    156,284.48x = 215,673.60 × 84,664.44
  4. Step 4: Simplify right side
    156,284.48x = 18,259,884,566.78
  5. Step 5: Solve for x
    x = 18,259,884,566.78/156,284.48
  6. Step 6: Final answer
    x = 116,837.48

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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.