Home / 130,376.85-179,911.49-73,003.02

Finding the Fourth Proportional to 130,376.85, 179,911.49 and 73,003.02

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Solution

The fourth proportional to 130,376.85, 179,911.49 and 73,003.02 is: 100,739.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,376.85 : 179,911.49 = 73,003.02 : x
  2. Step 2: Convert to fraction form
    130,376.85/179,911.49 = 73,003.02/x
  3. Step 3: Cross multiply
    130,376.85x = 179,911.49 × 73,003.02
  4. Step 4: Simplify right side
    130,376.85x = 13,134,082,102.70
  5. Step 5: Solve for x
    x = 13,134,082,102.70/130,376.85
  6. Step 6: Final answer
    x = 100,739.37

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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.