Home / 251,620.92-347,237.64-136,899.45

Finding the Fourth Proportional to 251,620.92, 347,237.64 and 136,899.45

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Solution

The fourth proportional to 251,620.92, 347,237.64 and 136,899.45 is: 188,921.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,620.92 : 347,237.64 = 136,899.45 : x
  2. Step 2: Convert to fraction form
    251,620.92/347,237.64 = 136,899.45/x
  3. Step 3: Cross multiply
    251,620.92x = 347,237.64 × 136,899.45
  4. Step 4: Simplify right side
    251,620.92x = 47,536,641,935.30
  5. Step 5: Solve for x
    x = 47,536,641,935.30/251,620.92
  6. Step 6: Final answer
    x = 188,921.66

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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.