Home / 119,954.12-179,932.05-45,091.22

Finding the Fourth Proportional to 119,954.12, 179,932.05 and 45,091.22

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Solution

The fourth proportional to 119,954.12, 179,932.05 and 45,091.22 is: 67,637.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,954.12 : 179,932.05 = 45,091.22 : x
  2. Step 2: Convert to fraction form
    119,954.12/179,932.05 = 45,091.22/x
  3. Step 3: Cross multiply
    119,954.12x = 179,932.05 × 45,091.22
  4. Step 4: Simplify right side
    119,954.12x = 8,113,354,751.94
  5. Step 5: Solve for x
    x = 8,113,354,751.94/119,954.12
  6. Step 6: Final answer
    x = 67,637.15

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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.