Home / 120,200.64-180,305.44-41,369.28

Finding the Fourth Proportional to 120,200.64, 180,305.44 and 41,369.28

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Solution

The fourth proportional to 120,200.64, 180,305.44 and 41,369.28 is: 62,055.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,200.64 : 180,305.44 = 41,369.28 : x
  2. Step 2: Convert to fraction form
    120,200.64/180,305.44 = 41,369.28/x
  3. Step 3: Cross multiply
    120,200.64x = 180,305.44 × 41,369.28
  4. Step 4: Simplify right side
    120,200.64x = 7,459,106,232.88
  5. Step 5: Solve for x
    x = 7,459,106,232.88/120,200.64
  6. Step 6: Final answer
    x = 62,055.46

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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.