Home / 251,807.07-347,405.94-142,898.52

Finding the Fourth Proportional to 251,807.07, 347,405.94 and 142,898.52

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Solution

The fourth proportional to 251,807.07, 347,405.94 and 142,898.52 is: 197,150.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,807.07 : 347,405.94 = 142,898.52 : x
  2. Step 2: Convert to fraction form
    251,807.07/347,405.94 = 142,898.52/x
  3. Step 3: Cross multiply
    251,807.07x = 347,405.94 × 142,898.52
  4. Step 4: Simplify right side
    251,807.07x = 49,643,794,665.21
  5. Step 5: Solve for x
    x = 49,643,794,665.21/251,807.07
  6. Step 6: Final answer
    x = 197,150.12

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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.