Home / 189,850.60-262,167.78-152,399.08

Finding the Fourth Proportional to 189,850.60, 262,167.78 and 152,399.08

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Solution

The fourth proportional to 189,850.60, 262,167.78 and 152,399.08 is: 210,450.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,850.60 : 262,167.78 = 152,399.08 : x
  2. Step 2: Convert to fraction form
    189,850.60/262,167.78 = 152,399.08/x
  3. Step 3: Cross multiply
    189,850.60x = 262,167.78 × 152,399.08
  4. Step 4: Simplify right side
    189,850.60x = 39,954,128,477.64
  5. Step 5: Solve for x
    x = 39,954,128,477.64/189,850.60
  6. Step 6: Final answer
    x = 210,450.37

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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.