Home / 181,868.60-250,968.69-100,180.84

Finding the Fourth Proportional to 181,868.60, 250,968.69 and 100,180.84

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Solution

The fourth proportional to 181,868.60, 250,968.69 and 100,180.84 is: 138,244.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,868.60 : 250,968.69 = 100,180.84 : x
  2. Step 2: Convert to fraction form
    181,868.60/250,968.69 = 100,180.84/x
  3. Step 3: Cross multiply
    181,868.60x = 250,968.69 × 100,180.84
  4. Step 4: Simplify right side
    181,868.60x = 25,142,253,550.48
  5. Step 5: Solve for x
    x = 25,142,253,550.48/181,868.60
  6. Step 6: Final answer
    x = 138,244.06

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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.