Home / 159,940.37-220,716.90-88,320.38

Finding the Fourth Proportional to 159,940.37, 220,716.90 and 88,320.38

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Solution

The fourth proportional to 159,940.37, 220,716.90 and 88,320.38 is: 121,881.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,940.37 : 220,716.90 = 88,320.38 : x
  2. Step 2: Convert to fraction form
    159,940.37/220,716.90 = 88,320.38/x
  3. Step 3: Cross multiply
    159,940.37x = 220,716.90 × 88,320.38
  4. Step 4: Simplify right side
    159,940.37x = 19,493,799,376.84
  5. Step 5: Solve for x
    x = 19,493,799,376.84/159,940.37
  6. Step 6: Final answer
    x = 121,881.67

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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.