Home / 257,247.32-385,871.13-107,405.96

Finding the Fourth Proportional to 257,247.32, 385,871.13 and 107,405.96

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Solution

The fourth proportional to 257,247.32, 385,871.13 and 107,405.96 is: 161,109.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,247.32 : 385,871.13 = 107,405.96 : x
  2. Step 2: Convert to fraction form
    257,247.32/385,871.13 = 107,405.96/x
  3. Step 3: Cross multiply
    257,247.32x = 385,871.13 × 107,405.96
  4. Step 4: Simplify right side
    257,247.32x = 41,444,857,224.58
  5. Step 5: Solve for x
    x = 41,444,857,224.58/257,247.32
  6. Step 6: Final answer
    x = 161,109.00

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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.