Home / 276,953.03-415,526.21-87,442.73

Finding the Fourth Proportional to 276,953.03, 415,526.21 and 87,442.73

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Solution

The fourth proportional to 276,953.03, 415,526.21 and 87,442.73 is: 131,194.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,953.03 : 415,526.21 = 87,442.73 : x
  2. Step 2: Convert to fraction form
    276,953.03/415,526.21 = 87,442.73/x
  3. Step 3: Cross multiply
    276,953.03x = 415,526.21 × 87,442.73
  4. Step 4: Simplify right side
    276,953.03x = 36,334,746,188.95
  5. Step 5: Solve for x
    x = 36,334,746,188.95/276,953.03
  6. Step 6: Final answer
    x = 131,194.62

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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.