Home / 120,513.45-180,769.23-36,273.24

Finding the Fourth Proportional to 120,513.45, 180,769.23 and 36,273.24

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Solution

The fourth proportional to 120,513.45, 180,769.23 and 36,273.24 is: 54,409.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,513.45 : 180,769.23 = 36,273.24 : x
  2. Step 2: Convert to fraction form
    120,513.45/180,769.23 = 36,273.24/x
  3. Step 3: Cross multiply
    120,513.45x = 180,769.23 × 36,273.24
  4. Step 4: Simplify right side
    120,513.45x = 6,557,085,664.41
  5. Step 5: Solve for x
    x = 6,557,085,664.41/120,513.45
  6. Step 6: Final answer
    x = 54,409.58

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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.