Home / 161,074.35-222,209.67-103,693.11

Finding the Fourth Proportional to 161,074.35, 222,209.67 and 103,693.11

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Solution

The fourth proportional to 161,074.35, 222,209.67 and 103,693.11 is: 143,049.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,074.35 : 222,209.67 = 103,693.11 : x
  2. Step 2: Convert to fraction form
    161,074.35/222,209.67 = 103,693.11/x
  3. Step 3: Cross multiply
    161,074.35x = 222,209.67 × 103,693.11
  4. Step 4: Simplify right side
    161,074.35x = 23,041,611,754.37
  5. Step 5: Solve for x
    x = 23,041,611,754.37/161,074.35
  6. Step 6: Final answer
    x = 143,049.54

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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.