Home / 210,996.06-291,179.74-115,502.54

Finding the Fourth Proportional to 210,996.06, 291,179.74 and 115,502.54

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Solution

The fourth proportional to 210,996.06, 291,179.74 and 115,502.54 is: 159,396.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,996.06 : 291,179.74 = 115,502.54 : x
  2. Step 2: Convert to fraction form
    210,996.06/291,179.74 = 115,502.54/x
  3. Step 3: Cross multiply
    210,996.06x = 291,179.74 × 115,502.54
  4. Step 4: Simplify right side
    210,996.06x = 33,631,999,566.54
  5. Step 5: Solve for x
    x = 33,631,999,566.54/210,996.06
  6. Step 6: Final answer
    x = 159,396.34

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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.