Home / 141,975.45-195,922.98-78,313.23

Finding the Fourth Proportional to 141,975.45, 195,922.98 and 78,313.23

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Solution

The fourth proportional to 141,975.45, 195,922.98 and 78,313.23 is: 108,070.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,975.45 : 195,922.98 = 78,313.23 : x
  2. Step 2: Convert to fraction form
    141,975.45/195,922.98 = 78,313.23/x
  3. Step 3: Cross multiply
    141,975.45x = 195,922.98 × 78,313.23
  4. Step 4: Simplify right side
    141,975.45x = 15,343,361,395.03
  5. Step 5: Solve for x
    x = 15,343,361,395.03/141,975.45
  6. Step 6: Final answer
    x = 108,070.52

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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.