Home / 130,906.48-180,645.81-80,004.46

Finding the Fourth Proportional to 130,906.48, 180,645.81 and 80,004.46

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Solution

The fourth proportional to 130,906.48, 180,645.81 and 80,004.46 is: 110,403.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,906.48 : 180,645.81 = 80,004.46 : x
  2. Step 2: Convert to fraction form
    130,906.48/180,645.81 = 80,004.46/x
  3. Step 3: Cross multiply
    130,906.48x = 180,645.81 × 80,004.46
  4. Step 4: Simplify right side
    130,906.48x = 14,452,470,480.31
  5. Step 5: Solve for x
    x = 14,452,470,480.31/130,906.48
  6. Step 6: Final answer
    x = 110,403.02

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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.