Home / 251,739.69-347,402.22-137,018.06

Finding the Fourth Proportional to 251,739.69, 347,402.22 and 137,018.06

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Solution

The fourth proportional to 251,739.69, 347,402.22 and 137,018.06 is: 189,085.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,739.69 : 347,402.22 = 137,018.06 : x
  2. Step 2: Convert to fraction form
    251,739.69/347,402.22 = 137,018.06/x
  3. Step 3: Cross multiply
    251,739.69x = 347,402.22 × 137,018.06
  4. Step 4: Simplify right side
    251,739.69x = 47,600,377,539.00
  5. Step 5: Solve for x
    x = 47,600,377,539.00/251,739.69
  6. Step 6: Final answer
    x = 189,085.71

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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.