Home / 102,816.20-154,224.30-61,344.20

Finding the Fourth Proportional to 102,816.20, 154,224.30 and 61,344.20

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Solution

The fourth proportional to 102,816.20, 154,224.30 and 61,344.20 is: 92,016.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,816.20 : 154,224.30 = 61,344.20 : x
  2. Step 2: Convert to fraction form
    102,816.20/154,224.30 = 61,344.20/x
  3. Step 3: Cross multiply
    102,816.20x = 154,224.30 × 61,344.20
  4. Step 4: Simplify right side
    102,816.20x = 9,460,766,304.06
  5. Step 5: Solve for x
    x = 9,460,766,304.06/102,816.20
  6. Step 6: Final answer
    x = 92,016.30

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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.