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Finding the Fourth Proportional to 181,007.82, 249,804.45 and 100,450.56

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Solution

The fourth proportional to 181,007.82, 249,804.45 and 100,450.56 is: 138,629.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,007.82 : 249,804.45 = 100,450.56 : x
  2. Step 2: Convert to fraction form
    181,007.82/249,804.45 = 100,450.56/x
  3. Step 3: Cross multiply
    181,007.82x = 249,804.45 × 100,450.56
  4. Step 4: Simplify right side
    181,007.82x = 25,092,996,892.99
  5. Step 5: Solve for x
    x = 25,092,996,892.99/181,007.82
  6. Step 6: Final answer
    x = 138,629.35

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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.