Home / 161,636.37-223,078.55-97,966.05

Finding the Fourth Proportional to 161,636.37, 223,078.55 and 97,966.05

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Solution

The fourth proportional to 161,636.37, 223,078.55 and 97,966.05 is: 135,205.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,636.37 : 223,078.55 = 97,966.05 : x
  2. Step 2: Convert to fraction form
    161,636.37/223,078.55 = 97,966.05/x
  3. Step 3: Cross multiply
    161,636.37x = 223,078.55 × 97,966.05
  4. Step 4: Simplify right side
    161,636.37x = 21,854,124,383.23
  5. Step 5: Solve for x
    x = 21,854,124,383.23/161,636.37
  6. Step 6: Final answer
    x = 135,205.49

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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.