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Finding the Fourth Proportional to 181,007.02, 249,804 and 100,450.23

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Solution

The fourth proportional to 181,007.02, 249,804 and 100,450.23 is: 138,629.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,007.02 : 249,804 = 100,450.23 : x
  2. Step 2: Convert to fraction form
    181,007.02/249,804 = 100,450.23/x
  3. Step 3: Cross multiply
    181,007.02x = 249,804 × 100,450.23
  4. Step 4: Simplify right side
    181,007.02x = 25,092,868,318.16
  5. Step 5: Solve for x
    x = 25,092,868,318.16/181,007.02
  6. Step 6: Final answer
    x = 138,629.25

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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.