Home / 99,964.56-149,872.76-60,512.34

Finding the Fourth Proportional to 99,964.56, 149,872.76 and 60,512.34

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Solution

The fourth proportional to 99,964.56, 149,872.76 and 60,512.34 is: 90,723.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,964.56 : 149,872.76 = 60,512.34 : x
  2. Step 2: Convert to fraction form
    99,964.56/149,872.76 = 60,512.34/x
  3. Step 3: Cross multiply
    99,964.56x = 149,872.76 × 60,512.34
  4. Step 4: Simplify right side
    99,964.56x = 9,069,151,409.86
  5. Step 5: Solve for x
    x = 9,069,151,409.86/99,964.56
  6. Step 6: Final answer
    x = 90,723.67

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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.