Home / 251,890.36-347,582.22-142,960.05

Finding the Fourth Proportional to 251,890.36, 347,582.22 and 142,960.05

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Solution

The fourth proportional to 251,890.36, 347,582.22 and 142,960.05 is: 197,269.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,890.36 : 347,582.22 = 142,960.05 : x
  2. Step 2: Convert to fraction form
    251,890.36/347,582.22 = 142,960.05/x
  3. Step 3: Cross multiply
    251,890.36x = 347,582.22 × 142,960.05
  4. Step 4: Simplify right side
    251,890.36x = 49,690,371,550.31
  5. Step 5: Solve for x
    x = 49,690,371,550.31/251,890.36
  6. Step 6: Final answer
    x = 197,269.84

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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.