Home / 129,750.03-179,055.06-73,161.39

Finding the Fourth Proportional to 129,750.03, 179,055.06 and 73,161.39

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Solution

The fourth proportional to 129,750.03, 179,055.06 and 73,161.39 is: 100,962.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,750.03 : 179,055.06 = 73,161.39 : x
  2. Step 2: Convert to fraction form
    129,750.03/179,055.06 = 73,161.39/x
  3. Step 3: Cross multiply
    129,750.03x = 179,055.06 × 73,161.39
  4. Step 4: Simplify right side
    129,750.03x = 13,099,917,076.13
  5. Step 5: Solve for x
    x = 13,099,917,076.13/129,750.03
  6. Step 6: Final answer
    x = 100,962.73

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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.