Home / 171,383.16-257,127.24-76,693.02

Finding the Fourth Proportional to 171,383.16, 257,127.24 and 76,693.02

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Solution

The fourth proportional to 171,383.16, 257,127.24 and 76,693.02 is: 115,063.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,383.16 : 257,127.24 = 76,693.02 : x
  2. Step 2: Convert to fraction form
    171,383.16/257,127.24 = 76,693.02/x
  3. Step 3: Cross multiply
    171,383.16x = 257,127.24 × 76,693.02
  4. Step 4: Simplify right side
    171,383.16x = 19,719,864,559.86
  5. Step 5: Solve for x
    x = 19,719,864,559.86/171,383.16
  6. Step 6: Final answer
    x = 115,063.02

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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.