Home / 120,004.40-180,006.60-41,111.60

Finding the Fourth Proportional to 120,004.40, 180,006.60 and 41,111.60

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Solution

The fourth proportional to 120,004.40, 180,006.60 and 41,111.60 is: 61,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,004.40 : 180,006.60 = 41,111.60 : x
  2. Step 2: Convert to fraction form
    120,004.40/180,006.60 = 41,111.60/x
  3. Step 3: Cross multiply
    120,004.40x = 180,006.60 × 41,111.60
  4. Step 4: Simplify right side
    120,004.40x = 7,400,359,336.56
  5. Step 5: Solve for x
    x = 7,400,359,336.56/120,004.40
  6. Step 6: Final answer
    x = 61,667.40

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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.