Home / 125,975.10-188,989.30-41,730.50

Finding the Fourth Proportional to 125,975.10, 188,989.30 and 41,730.50

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Solution

The fourth proportional to 125,975.10, 188,989.30 and 41,730.50 is: 62,604.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,975.10 : 188,989.30 = 41,730.50 : x
  2. Step 2: Convert to fraction form
    125,975.10/188,989.30 = 41,730.50/x
  3. Step 3: Cross multiply
    125,975.10x = 188,989.30 × 41,730.50
  4. Step 4: Simplify right side
    125,975.10x = 7,886,617,983.65
  5. Step 5: Solve for x
    x = 7,886,617,983.65/125,975.10
  6. Step 6: Final answer
    x = 62,604.58

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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.