Home / 154,246.20-231,369.30-69,973.80

Finding the Fourth Proportional to 154,246.20, 231,369.30 and 69,973.80

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Solution

The fourth proportional to 154,246.20, 231,369.30 and 69,973.80 is: 104,960.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,246.20 : 231,369.30 = 69,973.80 : x
  2. Step 2: Convert to fraction form
    154,246.20/231,369.30 = 69,973.80/x
  3. Step 3: Cross multiply
    154,246.20x = 231,369.30 × 69,973.80
  4. Step 4: Simplify right side
    154,246.20x = 16,189,789,124.34
  5. Step 5: Solve for x
    x = 16,189,789,124.34/154,246.20
  6. Step 6: Final answer
    x = 104,960.70

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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.