Home / 129,958.02-179,321.85-73,368.18

Finding the Fourth Proportional to 129,958.02, 179,321.85 and 73,368.18

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Solution

The fourth proportional to 129,958.02, 179,321.85 and 73,368.18 is: 101,236.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,958.02 : 179,321.85 = 73,368.18 : x
  2. Step 2: Convert to fraction form
    129,958.02/179,321.85 = 73,368.18/x
  3. Step 3: Cross multiply
    129,958.02x = 179,321.85 × 73,368.18
  4. Step 4: Simplify right side
    129,958.02x = 13,156,517,768.73
  5. Step 5: Solve for x
    x = 13,156,517,768.73/129,958.02
  6. Step 6: Final answer
    x = 101,236.67

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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.