Home / 147,219.09-203,162.38-80,151.09

Finding the Fourth Proportional to 147,219.09, 203,162.38 and 80,151.09

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Solution

The fourth proportional to 147,219.09, 203,162.38 and 80,151.09 is: 110,608.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,219.09 : 203,162.38 = 80,151.09 : x
  2. Step 2: Convert to fraction form
    147,219.09/203,162.38 = 80,151.09/x
  3. Step 3: Cross multiply
    147,219.09x = 203,162.38 × 80,151.09
  4. Step 4: Simplify right side
    147,219.09x = 16,283,686,203.99
  5. Step 5: Solve for x
    x = 16,283,686,203.99/147,219.09
  6. Step 6: Final answer
    x = 110,608.52

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1.5x scale

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.