Home / 178,742.30-268,113.21-45,622.58

Finding the Fourth Proportional to 178,742.30, 268,113.21 and 45,622.58

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Solution

The fourth proportional to 178,742.30, 268,113.21 and 45,622.58 is: 68,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,742.30 : 268,113.21 = 45,622.58 : x
  2. Step 2: Convert to fraction form
    178,742.30/268,113.21 = 45,622.58/x
  3. Step 3: Cross multiply
    178,742.30x = 268,113.21 × 45,622.58
  4. Step 4: Simplify right side
    178,742.30x = 12,232,015,031.72
  5. Step 5: Solve for x
    x = 12,232,015,031.72/178,742.30
  6. Step 6: Final answer
    x = 68,433.80

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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.