Home / 219,572.11-302,995.43-122,783.94

Finding the Fourth Proportional to 219,572.11, 302,995.43 and 122,783.94

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Solution

The fourth proportional to 219,572.11, 302,995.43 and 122,783.94 is: 169,433.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,572.11 : 302,995.43 = 122,783.94 : x
  2. Step 2: Convert to fraction form
    219,572.11/302,995.43 = 122,783.94/x
  3. Step 3: Cross multiply
    219,572.11x = 302,995.43 × 122,783.94
  4. Step 4: Simplify right side
    219,572.11x = 37,202,972,697.39
  5. Step 5: Solve for x
    x = 37,202,972,697.39/219,572.11
  6. Step 6: Final answer
    x = 169,433.97

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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.