Home / 154,504.80-231,757.20-70,305.30

Finding the Fourth Proportional to 154,504.80, 231,757.20 and 70,305.30

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Solution

The fourth proportional to 154,504.80, 231,757.20 and 70,305.30 is: 105,457.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,504.80 : 231,757.20 = 70,305.30 : x
  2. Step 2: Convert to fraction form
    154,504.80/231,757.20 = 70,305.30/x
  3. Step 3: Cross multiply
    154,504.80x = 231,757.20 × 70,305.30
  4. Step 4: Simplify right side
    154,504.80x = 16,293,759,473.16
  5. Step 5: Solve for x
    x = 16,293,759,473.16/154,504.80
  6. Step 6: Final answer
    x = 105,457.95

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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.