Home / 210,984.48-291,161.79-115,500.06

Finding the Fourth Proportional to 210,984.48, 291,161.79 and 115,500.06

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Solution

The fourth proportional to 210,984.48, 291,161.79 and 115,500.06 is: 159,391.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,984.48 : 291,161.79 = 115,500.06 : x
  2. Step 2: Convert to fraction form
    210,984.48/291,161.79 = 115,500.06/x
  3. Step 3: Cross multiply
    210,984.48x = 291,161.79 × 115,500.06
  4. Step 4: Simplify right side
    210,984.48x = 33,629,204,214.71
  5. Step 5: Solve for x
    x = 33,629,204,214.71/210,984.48
  6. Step 6: Final answer
    x = 159,391.84

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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.