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Finding the Fourth Proportional to 114,387.30, 171,393.69 and 110,013.30

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Solution

The fourth proportional to 114,387.30, 171,393.69 and 110,013.30 is: 164,839.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,387.30 : 171,393.69 = 110,013.30 : x
  2. Step 2: Convert to fraction form
    114,387.30/171,393.69 = 110,013.30/x
  3. Step 3: Cross multiply
    114,387.30x = 171,393.69 × 110,013.30
  4. Step 4: Simplify right side
    114,387.30x = 18,855,585,436.08
  5. Step 5: Solve for x
    x = 18,855,585,436.08/114,387.30
  6. Step 6: Final answer
    x = 164,839.85

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1.5x scale

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.