Home / 148,856.12-205,423.77-80,874.44

Finding the Fourth Proportional to 148,856.12, 205,423.77 and 80,874.44

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Solution

The fourth proportional to 148,856.12, 205,423.77 and 80,874.44 is: 111,607.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,856.12 : 205,423.77 = 80,874.44 : x
  2. Step 2: Convert to fraction form
    148,856.12/205,423.77 = 80,874.44/x
  3. Step 3: Cross multiply
    148,856.12x = 205,423.77 × 80,874.44
  4. Step 4: Simplify right side
    148,856.12x = 16,613,531,334.32
  5. Step 5: Solve for x
    x = 16,613,531,334.32/148,856.12
  6. Step 6: Final answer
    x = 111,607.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.