Home / 154,895.40-231,968.85-88,133.28

Finding the Fourth Proportional to 154,895.40, 231,968.85 and 88,133.28

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Solution

The fourth proportional to 154,895.40, 231,968.85 and 88,133.28 is: 131,986.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,895.40 : 231,968.85 = 88,133.28 : x
  2. Step 2: Convert to fraction form
    154,895.40/231,968.85 = 88,133.28/x
  3. Step 3: Cross multiply
    154,895.40x = 231,968.85 × 88,133.28
  4. Step 4: Simplify right side
    154,895.40x = 20,444,175,608.33
  5. Step 5: Solve for x
    x = 20,444,175,608.33/154,895.40
  6. Step 6: Final answer
    x = 131,986.98

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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.