Home / 125,823.57-188,745.81-54,748.65

Finding the Fourth Proportional to 125,823.57, 188,745.81 and 54,748.65

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Solution

The fourth proportional to 125,823.57, 188,745.81 and 54,748.65 is: 82,127.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,823.57 : 188,745.81 = 54,748.65 : x
  2. Step 2: Convert to fraction form
    125,823.57/188,745.81 = 54,748.65/x
  3. Step 3: Cross multiply
    125,823.57x = 188,745.81 × 54,748.65
  4. Step 4: Simplify right side
    125,823.57x = 10,333,578,290.66
  5. Step 5: Solve for x
    x = 10,333,578,290.66/125,823.57
  6. Step 6: Final answer
    x = 82,127.52

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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.