Home / 120,269.86-180,476.06-67,006.42

Finding the Fourth Proportional to 120,269.86, 180,476.06 and 67,006.42

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Solution

The fourth proportional to 120,269.86, 180,476.06 and 67,006.42 is: 100,549.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,269.86 : 180,476.06 = 67,006.42 : x
  2. Step 2: Convert to fraction form
    120,269.86/180,476.06 = 67,006.42/x
  3. Step 3: Cross multiply
    120,269.86x = 180,476.06 × 67,006.42
  4. Step 4: Simplify right side
    120,269.86x = 12,093,054,676.31
  5. Step 5: Solve for x
    x = 12,093,054,676.31/120,269.86
  6. Step 6: Final answer
    x = 100,549.34

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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.