Home / 188,709.48-260,425.31-108,152.45

Finding the Fourth Proportional to 188,709.48, 260,425.31 and 108,152.45

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Solution

The fourth proportional to 188,709.48, 260,425.31 and 108,152.45 is: 149,253.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,709.48 : 260,425.31 = 108,152.45 : x
  2. Step 2: Convert to fraction form
    188,709.48/260,425.31 = 108,152.45/x
  3. Step 3: Cross multiply
    188,709.48x = 260,425.31 × 108,152.45
  4. Step 4: Simplify right side
    188,709.48x = 28,165,634,625.30
  5. Step 5: Solve for x
    x = 28,165,634,625.30/188,709.48
  6. Step 6: Final answer
    x = 149,253.95

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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.