Home / 189,867.67-262,016.71-107,075.07

Finding the Fourth Proportional to 189,867.67, 262,016.71 and 107,075.07

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Solution

The fourth proportional to 189,867.67, 262,016.71 and 107,075.07 is: 147,763.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,867.67 : 262,016.71 = 107,075.07 : x
  2. Step 2: Convert to fraction form
    189,867.67/262,016.71 = 107,075.07/x
  3. Step 3: Cross multiply
    189,867.67x = 262,016.71 × 107,075.07
  4. Step 4: Simplify right side
    189,867.67x = 28,055,457,296.73
  5. Step 5: Solve for x
    x = 28,055,457,296.73/189,867.67
  6. Step 6: Final answer
    x = 147,763.22

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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.