Home / 129,945.25-179,324.45-73,360.27

Finding the Fourth Proportional to 129,945.25, 179,324.45 and 73,360.27

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Solution

The fourth proportional to 129,945.25, 179,324.45 and 73,360.27 is: 101,237.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,945.25 : 179,324.45 = 73,360.27 : x
  2. Step 2: Convert to fraction form
    129,945.25/179,324.45 = 73,360.27/x
  3. Step 3: Cross multiply
    129,945.25x = 179,324.45 × 73,360.27
  4. Step 4: Simplify right side
    129,945.25x = 13,155,290,069.60
  5. Step 5: Solve for x
    x = 13,155,290,069.60/129,945.25
  6. Step 6: Final answer
    x = 101,237.18

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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.