Home / 120,278.44-180,440.34-37,153

Finding the Fourth Proportional to 120,278.44, 180,440.34 and 37,153

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Solution

The fourth proportional to 120,278.44, 180,440.34 and 37,153 is: 55,736.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,278.44 : 180,440.34 = 37,153 : x
  2. Step 2: Convert to fraction form
    120,278.44/180,440.34 = 37,153/x
  3. Step 3: Cross multiply
    120,278.44x = 180,440.34 × 37,153
  4. Step 4: Simplify right side
    120,278.44x = 6,703,899,952.02
  5. Step 5: Solve for x
    x = 6,703,899,952.02/120,278.44
  6. Step 6: Final answer
    x = 55,736.51

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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.