Home / 129,860.76-179,210.34-73,273.44

Finding the Fourth Proportional to 129,860.76, 179,210.34 and 73,273.44

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Solution

The fourth proportional to 129,860.76, 179,210.34 and 73,273.44 is: 101,118.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,860.76 : 179,210.34 = 73,273.44 : x
  2. Step 2: Convert to fraction form
    129,860.76/179,210.34 = 73,273.44/x
  3. Step 3: Cross multiply
    129,860.76x = 179,210.34 × 73,273.44
  4. Step 4: Simplify right side
    129,860.76x = 13,131,358,095.37
  5. Step 5: Solve for x
    x = 13,131,358,095.37/129,860.76
  6. Step 6: Final answer
    x = 101,118.75

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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.