Home / 120,133.17-180,164.52-45,199.26

Finding the Fourth Proportional to 120,133.17, 180,164.52 and 45,199.26

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Solution

The fourth proportional to 120,133.17, 180,164.52 and 45,199.26 is: 67,785.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,133.17 : 180,164.52 = 45,199.26 : x
  2. Step 2: Convert to fraction form
    120,133.17/180,164.52 = 45,199.26/x
  3. Step 3: Cross multiply
    120,133.17x = 180,164.52 × 45,199.26
  4. Step 4: Simplify right side
    120,133.17x = 8,143,302,982.26
  5. Step 5: Solve for x
    x = 8,143,302,982.26/120,133.17
  6. Step 6: Final answer
    x = 67,785.63

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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.