Home / 188,126.32-281,820.24-109,074.40

Finding the Fourth Proportional to 188,126.32, 281,820.24 and 109,074.40

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Solution

The fourth proportional to 188,126.32, 281,820.24 and 109,074.40 is: 163,397.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,126.32 : 281,820.24 = 109,074.40 : x
  2. Step 2: Convert to fraction form
    188,126.32/281,820.24 = 109,074.40/x
  3. Step 3: Cross multiply
    188,126.32x = 281,820.24 × 109,074.40
  4. Step 4: Simplify right side
    188,126.32x = 30,739,373,585.86
  5. Step 5: Solve for x
    x = 30,739,373,585.86/188,126.32
  6. Step 6: Final answer
    x = 163,397.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.