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Finding the Fourth Proportional to 114,434.58, 171,659.43 and 39,561.96

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Solution

The fourth proportional to 114,434.58, 171,659.43 and 39,561.96 is: 59,345.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,434.58 : 171,659.43 = 39,561.96 : x
  2. Step 2: Convert to fraction form
    114,434.58/171,659.43 = 39,561.96/x
  3. Step 3: Cross multiply
    114,434.58x = 171,659.43 × 39,561.96
  4. Step 4: Simplify right side
    114,434.58x = 6,791,183,503.28
  5. Step 5: Solve for x
    x = 6,791,183,503.28/114,434.58
  6. Step 6: Final answer
    x = 59,345.55

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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.