Home / 254,582.22-381,874.23-86,103.90

Finding the Fourth Proportional to 254,582.22, 381,874.23 and 86,103.90

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Solution

The fourth proportional to 254,582.22, 381,874.23 and 86,103.90 is: 129,156.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,582.22 : 381,874.23 = 86,103.90 : x
  2. Step 2: Convert to fraction form
    254,582.22/381,874.23 = 86,103.90/x
  3. Step 3: Cross multiply
    254,582.22x = 381,874.23 × 86,103.90
  4. Step 4: Simplify right side
    254,582.22x = 32,880,860,512.50
  5. Step 5: Solve for x
    x = 32,880,860,512.50/254,582.22
  6. Step 6: Final answer
    x = 129,156.15

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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.