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Finding the Fourth Proportional to 114,114.29, 171,211.95 and 50,928.66

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Solution

The fourth proportional to 114,114.29, 171,211.95 and 50,928.66 is: 76,411.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,114.29 : 171,211.95 = 50,928.66 : x
  2. Step 2: Convert to fraction form
    114,114.29/171,211.95 = 50,928.66/x
  3. Step 3: Cross multiply
    114,114.29x = 171,211.95 × 50,928.66
  4. Step 4: Simplify right side
    114,114.29x = 8,719,595,189.49
  5. Step 5: Solve for x
    x = 8,719,595,189.49/114,114.29
  6. Step 6: Final answer
    x = 76,411.07

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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.