Home / 154,084.16-231,124.82-83,040.27

Finding the Fourth Proportional to 154,084.16, 231,124.82 and 83,040.27

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Solution

The fourth proportional to 154,084.16, 231,124.82 and 83,040.27 is: 124,559.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,084.16 : 231,124.82 = 83,040.27 : x
  2. Step 2: Convert to fraction form
    154,084.16/231,124.82 = 83,040.27/x
  3. Step 3: Cross multiply
    154,084.16x = 231,124.82 × 83,040.27
  4. Step 4: Simplify right side
    154,084.16x = 19,192,667,041.30
  5. Step 5: Solve for x
    x = 19,192,667,041.30/154,084.16
  6. Step 6: Final answer
    x = 124,559.64

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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.