Home / 185,401.56-278,102.34-67,045.22

Finding the Fourth Proportional to 185,401.56, 278,102.34 and 67,045.22

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Solution

The fourth proportional to 185,401.56, 278,102.34 and 67,045.22 is: 100,567.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,401.56 : 278,102.34 = 67,045.22 : x
  2. Step 2: Convert to fraction form
    185,401.56/278,102.34 = 67,045.22/x
  3. Step 3: Cross multiply
    185,401.56x = 278,102.34 × 67,045.22
  4. Step 4: Simplify right side
    185,401.56x = 18,645,432,031.62
  5. Step 5: Solve for x
    x = 18,645,432,031.62/185,401.56
  6. Step 6: Final answer
    x = 100,567.83

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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.