Home / 139,249.20-208,961.64-59,287.12

Finding the Fourth Proportional to 139,249.20, 208,961.64 and 59,287.12

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Solution

The fourth proportional to 139,249.20, 208,961.64 and 59,287.12 is: 88,968.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,249.20 : 208,961.64 = 59,287.12 : x
  2. Step 2: Convert to fraction form
    139,249.20/208,961.64 = 59,287.12/x
  3. Step 3: Cross multiply
    139,249.20x = 208,961.64 × 59,287.12
  4. Step 4: Simplify right side
    139,249.20x = 12,388,733,826.08
  5. Step 5: Solve for x
    x = 12,388,733,826.08/139,249.20
  6. Step 6: Final answer
    x = 88,968.08

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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.