Home / 130,418.93-179,984.87-73,054.90

Finding the Fourth Proportional to 130,418.93, 179,984.87 and 73,054.90

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Solution

The fourth proportional to 130,418.93, 179,984.87 and 73,054.90 is: 100,819.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,418.93 : 179,984.87 = 73,054.90 : x
  2. Step 2: Convert to fraction form
    130,418.93/179,984.87 = 73,054.90/x
  3. Step 3: Cross multiply
    130,418.93x = 179,984.87 × 73,054.90
  4. Step 4: Simplify right side
    130,418.93x = 13,148,776,813.03
  5. Step 5: Solve for x
    x = 13,148,776,813.03/130,418.93
  6. Step 6: Final answer
    x = 100,819.54

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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.