Home / 178,743.42-268,114.89-45,623.67

Finding the Fourth Proportional to 178,743.42, 268,114.89 and 45,623.67

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Solution

The fourth proportional to 178,743.42, 268,114.89 and 45,623.67 is: 68,435.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,743.42 : 268,114.89 = 45,623.67 : x
  2. Step 2: Convert to fraction form
    178,743.42/268,114.89 = 45,623.67/x
  3. Step 3: Cross multiply
    178,743.42x = 268,114.89 × 45,623.67
  4. Step 4: Simplify right side
    178,743.42x = 12,232,385,263.45
  5. Step 5: Solve for x
    x = 12,232,385,263.45/178,743.42
  6. Step 6: Final answer
    x = 68,435.44

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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.