Home / 139,932.32-209,897.44-40,092.60

Finding the Fourth Proportional to 139,932.32, 209,897.44 and 40,092.60

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Solution

The fourth proportional to 139,932.32, 209,897.44 and 40,092.60 is: 60,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,932.32 : 209,897.44 = 40,092.60 : x
  2. Step 2: Convert to fraction form
    139,932.32/209,897.44 = 40,092.60/x
  3. Step 3: Cross multiply
    139,932.32x = 209,897.44 × 40,092.60
  4. Step 4: Simplify right side
    139,932.32x = 8,415,334,002.71
  5. Step 5: Solve for x
    x = 8,415,334,002.71/139,932.32
  6. Step 6: Final answer
    x = 60,138.60

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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.