Home / 181,261.62-250,145.58-100,685.28

Finding the Fourth Proportional to 181,261.62, 250,145.58 and 100,685.28

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Solution

The fourth proportional to 181,261.62, 250,145.58 and 100,685.28 is: 138,948.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,261.62 : 250,145.58 = 100,685.28 : x
  2. Step 2: Convert to fraction form
    181,261.62/250,145.58 = 100,685.28/x
  3. Step 3: Cross multiply
    181,261.62x = 250,145.58 × 100,685.28
  4. Step 4: Simplify right side
    181,261.62x = 25,185,977,763.06
  5. Step 5: Solve for x
    x = 25,185,977,763.06/181,261.62
  6. Step 6: Final answer
    x = 138,948.21

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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.