Home / 210,860.98-290,995.81-120,202.27

Finding the Fourth Proportional to 210,860.98, 290,995.81 and 120,202.27

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Solution

The fourth proportional to 210,860.98, 290,995.81 and 120,202.27 is: 165,883.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,860.98 : 290,995.81 = 120,202.27 : x
  2. Step 2: Convert to fraction form
    210,860.98/290,995.81 = 120,202.27/x
  3. Step 3: Cross multiply
    210,860.98x = 290,995.81 × 120,202.27
  4. Step 4: Simplify right side
    210,860.98x = 34,978,355,894.49
  5. Step 5: Solve for x
    x = 34,978,355,894.49/210,860.98
  6. Step 6: Final answer
    x = 165,883.49

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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.