Home / 251,722.86-347,289.88-142,814.36

Finding the Fourth Proportional to 251,722.86, 347,289.88 and 142,814.36

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Solution

The fourth proportional to 251,722.86, 347,289.88 and 142,814.36 is: 197,034.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,722.86 : 347,289.88 = 142,814.36 : x
  2. Step 2: Convert to fraction form
    251,722.86/347,289.88 = 142,814.36/x
  3. Step 3: Cross multiply
    251,722.86x = 347,289.88 × 142,814.36
  4. Step 4: Simplify right side
    251,722.86x = 49,597,981,946.68
  5. Step 5: Solve for x
    x = 49,597,981,946.68/251,722.86
  6. Step 6: Final answer
    x = 197,034.08

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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.