Home / 154,554.84-231,795.90-42,208.38

Finding the Fourth Proportional to 154,554.84, 231,795.90 and 42,208.38

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Solution

The fourth proportional to 154,554.84, 231,795.90 and 42,208.38 is: 63,302.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,554.84 : 231,795.90 = 42,208.38 : x
  2. Step 2: Convert to fraction form
    154,554.84/231,795.90 = 42,208.38/x
  3. Step 3: Cross multiply
    154,554.84x = 231,795.90 × 42,208.38
  4. Step 4: Simplify right side
    154,554.84x = 9,783,729,429.64
  5. Step 5: Solve for x
    x = 9,783,729,429.64/154,554.84
  6. Step 6: Final answer
    x = 63,302.64

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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.