Home / 223,434.36-335,045.97-81,180.50

Finding the Fourth Proportional to 223,434.36, 335,045.97 and 81,180.50

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Solution

The fourth proportional to 223,434.36, 335,045.97 and 81,180.50 is: 121,732.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,434.36 : 335,045.97 = 81,180.50 : x
  2. Step 2: Convert to fraction form
    223,434.36/335,045.97 = 81,180.50/x
  3. Step 3: Cross multiply
    223,434.36x = 335,045.97 × 81,180.50
  4. Step 4: Simplify right side
    223,434.36x = 27,199,197,692.36
  5. Step 5: Solve for x
    x = 27,199,197,692.36/223,434.36
  6. Step 6: Final answer
    x = 121,732.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.