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Finding the Fourth Proportional to 181,027.70, 249,829.95 and 100,455.41

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Solution

The fourth proportional to 181,027.70, 249,829.95 and 100,455.41 is: 138,634.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,027.70 : 249,829.95 = 100,455.41 : x
  2. Step 2: Convert to fraction form
    181,027.70/249,829.95 = 100,455.41/x
  3. Step 3: Cross multiply
    181,027.70x = 249,829.95 × 100,455.41
  4. Step 4: Simplify right side
    181,027.70x = 25,096,770,057.53
  5. Step 5: Solve for x
    x = 25,096,770,057.53/181,027.70
  6. Step 6: Final answer
    x = 138,634.97

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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.