Home / 161,107.20-222,338.56-97,447.68

Finding the Fourth Proportional to 161,107.20, 222,338.56 and 97,447.68

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Solution

The fourth proportional to 161,107.20, 222,338.56 and 97,447.68 is: 134,484.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,107.20 : 222,338.56 = 97,447.68 : x
  2. Step 2: Convert to fraction form
    161,107.20/222,338.56 = 97,447.68/x
  3. Step 3: Cross multiply
    161,107.20x = 222,338.56 × 97,447.68
  4. Step 4: Simplify right side
    161,107.20x = 21,666,376,846.54
  5. Step 5: Solve for x
    x = 21,666,376,846.54/161,107.20
  6. Step 6: Final answer
    x = 134,484.22

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1.5x scale

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.