Home / 87,246.32-130,856.88-28,074.32

Finding the Fourth Proportional to 87,246.32, 130,856.88 and 28,074.32

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Solution

The fourth proportional to 87,246.32, 130,856.88 and 28,074.32 is: 42,107.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,246.32 : 130,856.88 = 28,074.32 : x
  2. Step 2: Convert to fraction form
    87,246.32/130,856.88 = 28,074.32/x
  3. Step 3: Cross multiply
    87,246.32x = 130,856.88 × 28,074.32
  4. Step 4: Simplify right side
    87,246.32x = 3,673,717,923.32
  5. Step 5: Solve for x
    x = 3,673,717,923.32/87,246.32
  6. Step 6: Final answer
    x = 42,107.43

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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.