Home / 146,012.63-201,498.03-78,944.63

Finding the Fourth Proportional to 146,012.63, 201,498.03 and 78,944.63

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Solution

The fourth proportional to 146,012.63, 201,498.03 and 78,944.63 is: 108,943.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,012.63 : 201,498.03 = 78,944.63 : x
  2. Step 2: Convert to fraction form
    146,012.63/201,498.03 = 78,944.63/x
  3. Step 3: Cross multiply
    146,012.63x = 201,498.03 × 78,944.63
  4. Step 4: Simplify right side
    146,012.63x = 15,907,186,416.59
  5. Step 5: Solve for x
    x = 15,907,186,416.59/146,012.63
  6. Step 6: Final answer
    x = 108,943.91

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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.