Home / 139,133.94-208,676.64-64,247.70

Finding the Fourth Proportional to 139,133.94, 208,676.64 and 64,247.70

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Solution

The fourth proportional to 139,133.94, 208,676.64 and 64,247.70 is: 96,360.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,133.94 : 208,676.64 = 64,247.70 : x
  2. Step 2: Convert to fraction form
    139,133.94/208,676.64 = 64,247.70/x
  3. Step 3: Cross multiply
    139,133.94x = 208,676.64 × 64,247.70
  4. Step 4: Simplify right side
    139,133.94x = 13,406,994,163.73
  5. Step 5: Solve for x
    x = 13,406,994,163.73/139,133.94
  6. Step 6: Final answer
    x = 96,360.34

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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.