Home / 159,025.47-219,450.51-91,040.19

Finding the Fourth Proportional to 159,025.47, 219,450.51 and 91,040.19

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Solution

The fourth proportional to 159,025.47, 219,450.51 and 91,040.19 is: 125,632.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,025.47 : 219,450.51 = 91,040.19 : x
  2. Step 2: Convert to fraction form
    159,025.47/219,450.51 = 91,040.19/x
  3. Step 3: Cross multiply
    159,025.47x = 219,450.51 × 91,040.19
  4. Step 4: Simplify right side
    159,025.47x = 19,978,816,126.00
  5. Step 5: Solve for x
    x = 19,978,816,126.00/159,025.47
  6. Step 6: Final answer
    x = 125,632.81

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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.