Home / 160,629.68-221,663.39-89,016.37

Finding the Fourth Proportional to 160,629.68, 221,663.39 and 89,016.37

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Solution

The fourth proportional to 160,629.68, 221,663.39 and 89,016.37 is: 122,839.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,629.68 : 221,663.39 = 89,016.37 : x
  2. Step 2: Convert to fraction form
    160,629.68/221,663.39 = 89,016.37/x
  3. Step 3: Cross multiply
    160,629.68x = 221,663.39 × 89,016.37
  4. Step 4: Simplify right side
    160,629.68x = 19,731,669,340.45
  5. Step 5: Solve for x
    x = 19,731,669,340.45/160,629.68
  6. Step 6: Final answer
    x = 122,839.50

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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.