Home / 130,328.88-179,847-73,731.12

Finding the Fourth Proportional to 130,328.88, 179,847 and 73,731.12

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Solution

The fourth proportional to 130,328.88, 179,847 and 73,731.12 is: 101,745.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,328.88 : 179,847 = 73,731.12 : x
  2. Step 2: Convert to fraction form
    130,328.88/179,847 = 73,731.12/x
  3. Step 3: Cross multiply
    130,328.88x = 179,847 × 73,731.12
  4. Step 4: Simplify right side
    130,328.88x = 13,260,320,738.64
  5. Step 5: Solve for x
    x = 13,260,320,738.64/130,328.88
  6. Step 6: Final answer
    x = 101,745.07

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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.