Home / 188,276.03-259,820.88-103,393.10

Finding the Fourth Proportional to 188,276.03, 259,820.88 and 103,393.10

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Solution

The fourth proportional to 188,276.03, 259,820.88 and 103,393.10 is: 142,682.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,276.03 : 259,820.88 = 103,393.10 : x
  2. Step 2: Convert to fraction form
    188,276.03/259,820.88 = 103,393.10/x
  3. Step 3: Cross multiply
    188,276.03x = 259,820.88 × 103,393.10
  4. Step 4: Simplify right side
    188,276.03x = 26,863,686,227.93
  5. Step 5: Solve for x
    x = 26,863,686,227.93/188,276.03
  6. Step 6: Final answer
    x = 142,682.46

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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.