Home / 188,332.04-259,789.64-112,836.80

Finding the Fourth Proportional to 188,332.04, 259,789.64 and 112,836.80

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Solution

The fourth proportional to 188,332.04, 259,789.64 and 112,836.80 is: 155,649.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,332.04 : 259,789.64 = 112,836.80 : x
  2. Step 2: Convert to fraction form
    188,332.04/259,789.64 = 112,836.80/x
  3. Step 3: Cross multiply
    188,332.04x = 259,789.64 × 112,836.80
  4. Step 4: Simplify right side
    188,332.04x = 29,313,831,650.75
  5. Step 5: Solve for x
    x = 29,313,831,650.75/188,332.04
  6. Step 6: Final answer
    x = 155,649.73

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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.