Home / 120,165.46-180,260.54-45,348.59

Finding the Fourth Proportional to 120,165.46, 180,260.54 and 45,348.59

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Solution

The fourth proportional to 120,165.46, 180,260.54 and 45,348.59 is: 68,027.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,165.46 : 180,260.54 = 45,348.59 : x
  2. Step 2: Convert to fraction form
    120,165.46/180,260.54 = 45,348.59/x
  3. Step 3: Cross multiply
    120,165.46x = 180,260.54 × 45,348.59
  4. Step 4: Simplify right side
    120,165.46x = 8,174,561,715.60
  5. Step 5: Solve for x
    x = 8,174,561,715.60/120,165.46
  6. Step 6: Final answer
    x = 68,027.55

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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.