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Finding the Fourth Proportional to 114,485.46, 171,769.05 and 69,598.14

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Solution

The fourth proportional to 114,485.46, 171,769.05 and 69,598.14 is: 104,422.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,485.46 : 171,769.05 = 69,598.14 : x
  2. Step 2: Convert to fraction form
    114,485.46/171,769.05 = 69,598.14/x
  3. Step 3: Cross multiply
    114,485.46x = 171,769.05 × 69,598.14
  4. Step 4: Simplify right side
    114,485.46x = 11,954,806,389.57
  5. Step 5: Solve for x
    x = 11,954,806,389.57/114,485.46
  6. Step 6: Final answer
    x = 104,422.05

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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.