Home / 154,487.80-231,731.70-112,169.35

Finding the Fourth Proportional to 154,487.80, 231,731.70 and 112,169.35

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Solution

The fourth proportional to 154,487.80, 231,731.70 and 112,169.35 is: 168,254.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,487.80 : 231,731.70 = 112,169.35 : x
  2. Step 2: Convert to fraction form
    154,487.80/231,731.70 = 112,169.35/x
  3. Step 3: Cross multiply
    154,487.80x = 231,731.70 × 112,169.35
  4. Step 4: Simplify right side
    154,487.80x = 25,993,194,163.40
  5. Step 5: Solve for x
    x = 25,993,194,163.40/154,487.80
  6. Step 6: Final answer
    x = 168,254.03

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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.