Home / 160,969.99-222,148.67-89,351.21

Finding the Fourth Proportional to 160,969.99, 222,148.67 and 89,351.21

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Solution

The fourth proportional to 160,969.99, 222,148.67 and 89,351.21 is: 123,310.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,969.99 : 222,148.67 = 89,351.21 : x
  2. Step 2: Convert to fraction form
    160,969.99/222,148.67 = 89,351.21/x
  3. Step 3: Cross multiply
    160,969.99x = 222,148.67 × 89,351.21
  4. Step 4: Simplify right side
    160,969.99x = 19,849,252,464.39
  5. Step 5: Solve for x
    x = 19,849,252,464.39/160,969.99
  6. Step 6: Final answer
    x = 123,310.27

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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.