Home / 154,504.80-231,597.41-87,801.30

Finding the Fourth Proportional to 154,504.80, 231,597.41 and 87,801.30

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Solution

The fourth proportional to 154,504.80, 231,597.41 and 87,801.30 is: 131,611.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,504.80 : 231,597.41 = 87,801.30 : x
  2. Step 2: Convert to fraction form
    154,504.80/231,597.41 = 87,801.30/x
  3. Step 3: Cross multiply
    154,504.80x = 231,597.41 × 87,801.30
  4. Step 4: Simplify right side
    154,504.80x = 20,334,553,235.63
  5. Step 5: Solve for x
    x = 20,334,553,235.63/154,504.80
  6. Step 6: Final answer
    x = 131,611.14

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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.