Home / 188,259.79-259,799.93-107,682.34

Finding the Fourth Proportional to 188,259.79, 259,799.93 and 107,682.34

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Solution

The fourth proportional to 188,259.79, 259,799.93 and 107,682.34 is: 148,602.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,259.79 : 259,799.93 = 107,682.34 : x
  2. Step 2: Convert to fraction form
    188,259.79/259,799.93 = 107,682.34/x
  3. Step 3: Cross multiply
    188,259.79x = 259,799.93 × 107,682.34
  4. Step 4: Simplify right side
    188,259.79x = 27,975,864,394.24
  5. Step 5: Solve for x
    x = 27,975,864,394.24/188,259.79
  6. Step 6: Final answer
    x = 148,602.44

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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.