Home / 185,350.68-278,047.62-67,077.72

Finding the Fourth Proportional to 185,350.68, 278,047.62 and 67,077.72

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Solution

The fourth proportional to 185,350.68, 278,047.62 and 67,077.72 is: 100,624.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,350.68 : 278,047.62 = 67,077.72 : x
  2. Step 2: Convert to fraction form
    185,350.68/278,047.62 = 67,077.72/x
  3. Step 3: Cross multiply
    185,350.68x = 278,047.62 × 67,077.72
  4. Step 4: Simplify right side
    185,350.68x = 18,650,800,401.03
  5. Step 5: Solve for x
    x = 18,650,800,401.03/185,350.68
  6. Step 6: Final answer
    x = 100,624.40

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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.