Home / 74,803.20-112,185.60-22,200.72

Finding the Fourth Proportional to 74,803.20, 112,185.60 and 22,200.72

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Solution

The fourth proportional to 74,803.20, 112,185.60 and 22,200.72 is: 33,295.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,803.20 : 112,185.60 = 22,200.72 : x
  2. Step 2: Convert to fraction form
    74,803.20/112,185.60 = 22,200.72/x
  3. Step 3: Cross multiply
    74,803.20x = 112,185.60 × 22,200.72
  4. Step 4: Simplify right side
    74,803.20x = 2,490,601,093.63
  5. Step 5: Solve for x
    x = 2,490,601,093.63/74,803.20
  6. Step 6: Final answer
    x = 33,295.38

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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.