Home / 120,006.90-180,010.35-41,109.30

Finding the Fourth Proportional to 120,006.90, 180,010.35 and 41,109.30

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Solution

The fourth proportional to 120,006.90, 180,010.35 and 41,109.30 is: 61,663.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,006.90 : 180,010.35 = 41,109.30 : x
  2. Step 2: Convert to fraction form
    120,006.90/180,010.35 = 41,109.30/x
  3. Step 3: Cross multiply
    120,006.90x = 180,010.35 × 41,109.30
  4. Step 4: Simplify right side
    120,006.90x = 7,400,099,481.26
  5. Step 5: Solve for x
    x = 7,400,099,481.26/120,006.90
  6. Step 6: Final answer
    x = 61,663.95

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1.5x scale

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.