Home / 119,940.12-179,878.78-35,677.58

Finding the Fourth Proportional to 119,940.12, 179,878.78 and 35,677.58

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Solution

The fourth proportional to 119,940.12, 179,878.78 and 35,677.58 is: 53,507.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,940.12 : 179,878.78 = 35,677.58 : x
  2. Step 2: Convert to fraction form
    119,940.12/179,878.78 = 35,677.58/x
  3. Step 3: Cross multiply
    119,940.12x = 179,878.78 × 35,677.58
  4. Step 4: Simplify right side
    119,940.12x = 6,417,639,563.75
  5. Step 5: Solve for x
    x = 6,417,639,563.75/119,940.12
  6. Step 6: Final answer
    x = 53,507.03

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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.