Home / 181,087.08-249,896.58-100,515.60

Finding the Fourth Proportional to 181,087.08, 249,896.58 and 100,515.60

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Solution

The fourth proportional to 181,087.08, 249,896.58 and 100,515.60 is: 138,709.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,087.08 : 249,896.58 = 100,515.60 : x
  2. Step 2: Convert to fraction form
    181,087.08/249,896.58 = 100,515.60/x
  3. Step 3: Cross multiply
    181,087.08x = 249,896.58 × 100,515.60
  4. Step 4: Simplify right side
    181,087.08x = 25,118,504,676.65
  5. Step 5: Solve for x
    x = 25,118,504,676.65/181,087.08
  6. Step 6: Final answer
    x = 138,709.54

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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.