Home / 210,999.02-291,202.04-120,377.33

Finding the Fourth Proportional to 210,999.02, 291,202.04 and 120,377.33

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Solution

The fourth proportional to 210,999.02, 291,202.04 and 120,377.33 is: 166,134.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,999.02 : 291,202.04 = 120,377.33 : x
  2. Step 2: Convert to fraction form
    210,999.02/291,202.04 = 120,377.33/x
  3. Step 3: Cross multiply
    210,999.02x = 291,202.04 × 120,377.33
  4. Step 4: Simplify right side
    210,999.02x = 35,054,122,007.86
  5. Step 5: Solve for x
    x = 35,054,122,007.86/210,999.02
  6. Step 6: Final answer
    x = 166,134.06

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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.