Home / 154,085.80-231,107.10-48,915.40

Finding the Fourth Proportional to 154,085.80, 231,107.10 and 48,915.40

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Solution

The fourth proportional to 154,085.80, 231,107.10 and 48,915.40 is: 73,366.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,085.80 : 231,107.10 = 48,915.40 : x
  2. Step 2: Convert to fraction form
    154,085.80/231,107.10 = 48,915.40/x
  3. Step 3: Cross multiply
    154,085.80x = 231,107.10 × 48,915.40
  4. Step 4: Simplify right side
    154,085.80x = 11,304,696,239.34
  5. Step 5: Solve for x
    x = 11,304,696,239.34/154,085.80
  6. Step 6: Final answer
    x = 73,366.24

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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.