Home / 129,756.03-179,080.65-76,062.39

Finding the Fourth Proportional to 129,756.03, 179,080.65 and 76,062.39

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Solution

The fourth proportional to 129,756.03, 179,080.65 and 76,062.39 is: 104,976.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,756.03 : 179,080.65 = 76,062.39 : x
  2. Step 2: Convert to fraction form
    129,756.03/179,080.65 = 76,062.39/x
  3. Step 3: Cross multiply
    129,756.03x = 179,080.65 × 76,062.39
  4. Step 4: Simplify right side
    129,756.03x = 13,621,302,241.75
  5. Step 5: Solve for x
    x = 13,621,302,241.75/129,756.03
  6. Step 6: Final answer
    x = 104,976.26

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