Home / 125,237.76-172,396.80-109,296.96

Finding the Fourth Proportional to 125,237.76, 172,396.80 and 109,296.96

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Solution

The fourth proportional to 125,237.76, 172,396.80 and 109,296.96 is: 150,453.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,237.76 : 172,396.80 = 109,296.96 : x
  2. Step 2: Convert to fraction form
    125,237.76/172,396.80 = 109,296.96/x
  3. Step 3: Cross multiply
    125,237.76x = 172,396.80 × 109,296.96
  4. Step 4: Simplify right side
    125,237.76x = 18,842,446,153.73
  5. Step 5: Solve for x
    x = 18,842,446,153.73/125,237.76
  6. Step 6: Final answer
    x = 150,453.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.