Home / 130,003.20-179,401.92-73,416.96

Finding the Fourth Proportional to 130,003.20, 179,401.92 and 73,416.96

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Solution

The fourth proportional to 130,003.20, 179,401.92 and 73,416.96 is: 101,314.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,003.20 : 179,401.92 = 73,416.96 : x
  2. Step 2: Convert to fraction form
    130,003.20/179,401.92 = 73,416.96/x
  3. Step 3: Cross multiply
    130,003.20x = 179,401.92 × 73,416.96
  4. Step 4: Simplify right side
    130,003.20x = 13,171,143,584.56
  5. Step 5: Solve for x
    x = 13,171,143,584.56/130,003.20
  6. Step 6: Final answer
    x = 101,314.00

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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.