Home / 181,739.60-250,803.03-100,077.42

Finding the Fourth Proportional to 181,739.60, 250,803.03 and 100,077.42

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Solution

The fourth proportional to 181,739.60, 250,803.03 and 100,077.42 is: 138,108.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,739.60 : 250,803.03 = 100,077.42 : x
  2. Step 2: Convert to fraction form
    181,739.60/250,803.03 = 100,077.42/x
  3. Step 3: Cross multiply
    181,739.60x = 250,803.03 × 100,077.42
  4. Step 4: Simplify right side
    181,739.60x = 25,099,720,797.59
  5. Step 5: Solve for x
    x = 25,099,720,797.59/181,739.60
  6. Step 6: Final answer
    x = 138,108.16

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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.