Home / 147,552.63-203,622.62-80,484.63

Finding the Fourth Proportional to 147,552.63, 203,622.62 and 80,484.63

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Solution

The fourth proportional to 147,552.63, 203,622.62 and 80,484.63 is: 111,068.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,552.63 : 203,622.62 = 80,484.63 : x
  2. Step 2: Convert to fraction form
    147,552.63/203,622.62 = 80,484.63/x
  3. Step 3: Cross multiply
    147,552.63x = 203,622.62 × 80,484.63
  4. Step 4: Simplify right side
    147,552.63x = 16,388,491,230.33
  5. Step 5: Solve for x
    x = 16,388,491,230.33/147,552.63
  6. Step 6: Final answer
    x = 111,068.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.