Home / 210,996.36-291,173.94-115,501.32

Finding the Fourth Proportional to 210,996.36, 291,173.94 and 115,501.32

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Solution

The fourth proportional to 210,996.36, 291,173.94 and 115,501.32 is: 159,391.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,996.36 : 291,173.94 = 115,501.32 : x
  2. Step 2: Convert to fraction form
    210,996.36/291,173.94 = 115,501.32/x
  3. Step 3: Cross multiply
    210,996.36x = 291,173.94 × 115,501.32
  4. Step 4: Simplify right side
    210,996.36x = 33,630,974,419.60
  5. Step 5: Solve for x
    x = 33,630,974,419.60/210,996.36
  6. Step 6: Final answer
    x = 159,391.25

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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.