Home / 161,075.03-222,448.89-120,724.88

Finding the Fourth Proportional to 161,075.03, 222,448.89 and 120,724.88

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Solution

The fourth proportional to 161,075.03, 222,448.89 and 120,724.88 is: 166,724.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,075.03 : 222,448.89 = 120,724.88 : x
  2. Step 2: Convert to fraction form
    161,075.03/222,448.89 = 120,724.88/x
  3. Step 3: Cross multiply
    161,075.03x = 222,448.89 × 120,724.88
  4. Step 4: Simplify right side
    161,075.03x = 26,855,114,439.14
  5. Step 5: Solve for x
    x = 26,855,114,439.14/161,075.03
  6. Step 6: Final answer
    x = 166,724.26

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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.