Home / 189,945.76-262,002-149,594.08

Finding the Fourth Proportional to 189,945.76, 262,002 and 149,594.08

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Solution

The fourth proportional to 189,945.76, 262,002 and 149,594.08 is: 206,342.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,945.76 : 262,002 = 149,594.08 : x
  2. Step 2: Convert to fraction form
    189,945.76/262,002 = 149,594.08/x
  3. Step 3: Cross multiply
    189,945.76x = 262,002 × 149,594.08
  4. Step 4: Simplify right side
    189,945.76x = 39,193,948,148.16
  5. Step 5: Solve for x
    x = 39,193,948,148.16/189,945.76
  6. Step 6: Final answer
    x = 206,342.84

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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.