Home / 119,400.42-179,100.78-44,519.43

Finding the Fourth Proportional to 119,400.42, 179,100.78 and 44,519.43

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Solution

The fourth proportional to 119,400.42, 179,100.78 and 44,519.43 is: 66,779.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,400.42 : 179,100.78 = 44,519.43 : x
  2. Step 2: Convert to fraction form
    119,400.42/179,100.78 = 44,519.43/x
  3. Step 3: Cross multiply
    119,400.42x = 179,100.78 × 44,519.43
  4. Step 4: Simplify right side
    119,400.42x = 7,973,464,638.16
  5. Step 5: Solve for x
    x = 7,973,464,638.16/119,400.42
  6. Step 6: Final answer
    x = 66,779.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.