Home / 129,751.03-179,056.44-73,162.39

Finding the Fourth Proportional to 129,751.03, 179,056.44 and 73,162.39

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Solution

The fourth proportional to 129,751.03, 179,056.44 and 73,162.39 is: 100,964.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,751.03 : 179,056.44 = 73,162.39 : x
  2. Step 2: Convert to fraction form
    129,751.03/179,056.44 = 73,162.39/x
  3. Step 3: Cross multiply
    129,751.03x = 179,056.44 × 73,162.39
  4. Step 4: Simplify right side
    129,751.03x = 13,100,197,095.29
  5. Step 5: Solve for x
    x = 13,100,197,095.29/129,751.03
  6. Step 6: Final answer
    x = 100,964.11

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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.