Home / 213,339.38-294,248.64-148,811.90

Finding the Fourth Proportional to 213,339.38, 294,248.64 and 148,811.90

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Solution

The fourth proportional to 213,339.38, 294,248.64 and 148,811.90 is: 205,249.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,339.38 : 294,248.64 = 148,811.90 : x
  2. Step 2: Convert to fraction form
    213,339.38/294,248.64 = 148,811.90/x
  3. Step 3: Cross multiply
    213,339.38x = 294,248.64 × 148,811.90
  4. Step 4: Simplify right side
    213,339.38x = 43,787,699,190.82
  5. Step 5: Solve for x
    x = 43,787,699,190.82/213,339.38
  6. Step 6: Final answer
    x = 205,249.02

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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.