Home / 171,426.20-257,089.64-51,478.29

Finding the Fourth Proportional to 171,426.20, 257,089.64 and 51,478.29

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Solution

The fourth proportional to 171,426.20, 257,089.64 and 51,478.29 is: 77,202.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,426.20 : 257,089.64 = 51,478.29 : x
  2. Step 2: Convert to fraction form
    171,426.20/257,089.64 = 51,478.29/x
  3. Step 3: Cross multiply
    171,426.20x = 257,089.64 × 51,478.29
  4. Step 4: Simplify right side
    171,426.20x = 13,234,534,786.52
  5. Step 5: Solve for x
    x = 13,234,534,786.52/171,426.20
  6. Step 6: Final answer
    x = 77,202.52

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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.