Home / 181,091.55-249,906.13-100,518.88

Finding the Fourth Proportional to 181,091.55, 249,906.13 and 100,518.88

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Solution

The fourth proportional to 181,091.55, 249,906.13 and 100,518.88 is: 138,715.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,091.55 : 249,906.13 = 100,518.88 : x
  2. Step 2: Convert to fraction form
    181,091.55/249,906.13 = 100,518.88/x
  3. Step 3: Cross multiply
    181,091.55x = 249,906.13 × 100,518.88
  4. Step 4: Simplify right side
    181,091.55x = 25,120,284,292.73
  5. Step 5: Solve for x
    x = 25,120,284,292.73/181,091.55
  6. Step 6: Final answer
    x = 138,715.94

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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.