Home / 343,789.65-515,683.26-107,132.49

Finding the Fourth Proportional to 343,789.65, 515,683.26 and 107,132.49

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Solution

The fourth proportional to 343,789.65, 515,683.26 and 107,132.49 is: 160,698.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,789.65 : 515,683.26 = 107,132.49 : x
  2. Step 2: Convert to fraction form
    343,789.65/515,683.26 = 107,132.49/x
  3. Step 3: Cross multiply
    343,789.65x = 515,683.26 × 107,132.49
  4. Step 4: Simplify right side
    343,789.65x = 55,246,431,695.12
  5. Step 5: Solve for x
    x = 55,246,431,695.12/343,789.65
  6. Step 6: Final answer
    x = 160,698.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.