Home / 119,137.23-178,653.36-55,975.31

Finding the Fourth Proportional to 119,137.23, 178,653.36 and 55,975.31

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Solution

The fourth proportional to 119,137.23, 178,653.36 and 55,975.31 is: 83,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,137.23 : 178,653.36 = 55,975.31 : x
  2. Step 2: Convert to fraction form
    119,137.23/178,653.36 = 55,975.31/x
  3. Step 3: Cross multiply
    119,137.23x = 178,653.36 × 55,975.31
  4. Step 4: Simplify right side
    119,137.23x = 10,000,176,315.27
  5. Step 5: Solve for x
    x = 10,000,176,315.27/119,137.23
  6. Step 6: Final answer
    x = 83,938.30

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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.