Home / 185,432.36-278,078.70-67,074.44

Finding the Fourth Proportional to 185,432.36, 278,078.70 and 67,074.44

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Solution

The fourth proportional to 185,432.36, 278,078.70 and 67,074.44 is: 100,586.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,432.36 : 278,078.70 = 67,074.44 : x
  2. Step 2: Convert to fraction form
    185,432.36/278,078.70 = 67,074.44/x
  3. Step 3: Cross multiply
    185,432.36x = 278,078.70 × 67,074.44
  4. Step 4: Simplify right side
    185,432.36x = 18,651,973,078.43
  5. Step 5: Solve for x
    x = 18,651,973,078.43/185,432.36
  6. Step 6: Final answer
    x = 100,586.40

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1.5x scale

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.