Home / 181,152.25-249,997.92-100,579.78

Finding the Fourth Proportional to 181,152.25, 249,997.92 and 100,579.78

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Solution

The fourth proportional to 181,152.25, 249,997.92 and 100,579.78 is: 138,804.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,152.25 : 249,997.92 = 100,579.78 : x
  2. Step 2: Convert to fraction form
    181,152.25/249,997.92 = 100,579.78/x
  3. Step 3: Cross multiply
    181,152.25x = 249,997.92 × 100,579.78
  4. Step 4: Simplify right side
    181,152.25x = 25,144,735,794.06
  5. Step 5: Solve for x
    x = 25,144,735,794.06/181,152.25
  6. Step 6: Final answer
    x = 138,804.44

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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.