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Finding the Fourth Proportional to 171,659.13, 257,425.38 and 59,310.51

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Solution

The fourth proportional to 171,659.13, 257,425.38 and 59,310.51 is: 88,943.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,659.13 : 257,425.38 = 59,310.51 : x
  2. Step 2: Convert to fraction form
    171,659.13/257,425.38 = 59,310.51/x
  3. Step 3: Cross multiply
    171,659.13x = 257,425.38 × 59,310.51
  4. Step 4: Simplify right side
    171,659.13x = 15,268,030,574.74
  5. Step 5: Solve for x
    x = 15,268,030,574.74/171,659.13
  6. Step 6: Final answer
    x = 88,943.89

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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.