Home / 188,274.27-259,818.93-103,396.80

Finding the Fourth Proportional to 188,274.27, 259,818.93 and 103,396.80

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Solution

The fourth proportional to 188,274.27, 259,818.93 and 103,396.80 is: 142,687.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,274.27 : 259,818.93 = 103,396.80 : x
  2. Step 2: Convert to fraction form
    188,274.27/259,818.93 = 103,396.80/x
  3. Step 3: Cross multiply
    188,274.27x = 259,818.93 × 103,396.80
  4. Step 4: Simplify right side
    188,274.27x = 26,864,445,941.42
  5. Step 5: Solve for x
    x = 26,864,445,941.42/188,274.27
  6. Step 6: Final answer
    x = 142,687.82

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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.