Home / 125,271.53-187,907.29-108,354.26

Finding the Fourth Proportional to 125,271.53, 187,907.29 and 108,354.26

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Solution

The fourth proportional to 125,271.53, 187,907.29 and 108,354.26 is: 162,531.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,271.53 : 187,907.29 = 108,354.26 : x
  2. Step 2: Convert to fraction form
    125,271.53/187,907.29 = 108,354.26/x
  3. Step 3: Cross multiply
    125,271.53x = 187,907.29 × 108,354.26
  4. Step 4: Simplify right side
    125,271.53x = 20,360,555,107.95
  5. Step 5: Solve for x
    x = 20,360,555,107.95/125,271.53
  6. Step 6: Final answer
    x = 162,531.39

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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.