Home / 139,126.10-208,697.23-39,277.94

Finding the Fourth Proportional to 139,126.10, 208,697.23 and 39,277.94

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Solution

The fourth proportional to 139,126.10, 208,697.23 and 39,277.94 is: 58,919.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,126.10 : 208,697.23 = 39,277.94 : x
  2. Step 2: Convert to fraction form
    139,126.10/208,697.23 = 39,277.94/x
  3. Step 3: Cross multiply
    139,126.10x = 208,697.23 × 39,277.94
  4. Step 4: Simplify right side
    139,126.10x = 8,197,196,234.62
  5. Step 5: Solve for x
    x = 8,197,196,234.62/139,126.10
  6. Step 6: Final answer
    x = 58,919.18

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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.