Home / 120,533.25-180,802.41-40,573.63

Finding the Fourth Proportional to 120,533.25, 180,802.41 and 40,573.63

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Solution

The fourth proportional to 120,533.25, 180,802.41 and 40,573.63 is: 60,861.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,533.25 : 180,802.41 = 40,573.63 : x
  2. Step 2: Convert to fraction form
    120,533.25/180,802.41 = 40,573.63/x
  3. Step 3: Cross multiply
    120,533.25x = 180,802.41 × 40,573.63
  4. Step 4: Simplify right side
    120,533.25x = 7,335,810,086.45
  5. Step 5: Solve for x
    x = 7,335,810,086.45/120,533.25
  6. Step 6: Final answer
    x = 60,861.30

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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.