Home / 178,485.10-246,311.32-97,912.78

Finding the Fourth Proportional to 178,485.10, 246,311.32 and 97,912.78

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Solution

The fourth proportional to 178,485.10, 246,311.32 and 97,912.78 is: 135,120.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,485.10 : 246,311.32 = 97,912.78 : x
  2. Step 2: Convert to fraction form
    178,485.10/246,311.32 = 97,912.78/x
  3. Step 3: Cross multiply
    178,485.10x = 246,311.32 × 97,912.78
  4. Step 4: Simplify right side
    178,485.10x = 24,117,026,086.67
  5. Step 5: Solve for x
    x = 24,117,026,086.67/178,485.10
  6. Step 6: Final answer
    x = 135,120.67

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1.5x scale

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.