Home / 144,074.44-198,803.14-83,635.48

Finding the Fourth Proportional to 144,074.44, 198,803.14 and 83,635.48

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Solution

The fourth proportional to 144,074.44, 198,803.14 and 83,635.48 is: 115,405.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,074.44 : 198,803.14 = 83,635.48 : x
  2. Step 2: Convert to fraction form
    144,074.44/198,803.14 = 83,635.48/x
  3. Step 3: Cross multiply
    144,074.44x = 198,803.14 × 83,635.48
  4. Step 4: Simplify right side
    144,074.44x = 16,626,996,039.41
  5. Step 5: Solve for x
    x = 16,626,996,039.41/144,074.44
  6. Step 6: Final answer
    x = 115,405.59

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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.