Home / 144,299.26-216,442.72-140,920.34

Finding the Fourth Proportional to 144,299.26, 216,442.72 and 140,920.34

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Solution

The fourth proportional to 144,299.26, 216,442.72 and 140,920.34 is: 211,374.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,299.26 : 216,442.72 = 140,920.34 : x
  2. Step 2: Convert to fraction form
    144,299.26/216,442.72 = 140,920.34/x
  3. Step 3: Cross multiply
    144,299.26x = 216,442.72 × 140,920.34
  4. Step 4: Simplify right side
    144,299.26x = 30,501,181,692.92
  5. Step 5: Solve for x
    x = 30,501,181,692.92/144,299.26
  6. Step 6: Final answer
    x = 211,374.48

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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.