Home / 130,533.24-180,144.78-73,945.08

Finding the Fourth Proportional to 130,533.24, 180,144.78 and 73,945.08

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Solution

The fourth proportional to 130,533.24, 180,144.78 and 73,945.08 is: 102,049.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,533.24 : 180,144.78 = 73,945.08 : x
  2. Step 2: Convert to fraction form
    130,533.24/180,144.78 = 73,945.08/x
  3. Step 3: Cross multiply
    130,533.24x = 180,144.78 × 73,945.08
  4. Step 4: Simplify right side
    130,533.24x = 13,320,820,168.68
  5. Step 5: Solve for x
    x = 13,320,820,168.68/130,533.24
  6. Step 6: Final answer
    x = 102,049.26

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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.