Home / 181,201.31-250,069.40-100,628.83

Finding the Fourth Proportional to 181,201.31, 250,069.40 and 100,628.83

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Solution

The fourth proportional to 181,201.31, 250,069.40 and 100,628.83 is: 138,874.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,201.31 : 250,069.40 = 100,628.83 : x
  2. Step 2: Convert to fraction form
    181,201.31/250,069.40 = 100,628.83/x
  3. Step 3: Cross multiply
    181,201.31x = 250,069.40 × 100,628.83
  4. Step 4: Simplify right side
    181,201.31x = 25,164,190,637.66
  5. Step 5: Solve for x
    x = 25,164,190,637.66/181,201.31
  6. Step 6: Final answer
    x = 138,874.22

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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.