Home / 257,162.48-385,556.86-107,445.58

Finding the Fourth Proportional to 257,162.48, 385,556.86 and 107,445.58

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Solution

The fourth proportional to 257,162.48, 385,556.86 and 107,445.58 is: 161,090.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,162.48 : 385,556.86 = 107,445.58 : x
  2. Step 2: Convert to fraction form
    257,162.48/385,556.86 = 107,445.58/x
  3. Step 3: Cross multiply
    257,162.48x = 385,556.86 × 107,445.58
  4. Step 4: Simplify right side
    257,162.48x = 41,426,380,445.68
  5. Step 5: Solve for x
    x = 41,426,380,445.68/257,162.48
  6. Step 6: Final answer
    x = 161,090.30

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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.