Home / 251,746.06-347,409.66-138,568

Finding the Fourth Proportional to 251,746.06, 347,409.66 and 138,568

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Solution

The fourth proportional to 251,746.06, 347,409.66 and 138,568 is: 191,223.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,746.06 : 347,409.66 = 138,568 : x
  2. Step 2: Convert to fraction form
    251,746.06/347,409.66 = 138,568/x
  3. Step 3: Cross multiply
    251,746.06x = 347,409.66 × 138,568
  4. Step 4: Simplify right side
    251,746.06x = 48,139,861,766.88
  5. Step 5: Solve for x
    x = 48,139,861,766.88/251,746.06
  6. Step 6: Final answer
    x = 191,223.89

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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.