Home / 154,136.98-231,209.57-54,274.46

Finding the Fourth Proportional to 154,136.98, 231,209.57 and 54,274.46

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Solution

The fourth proportional to 154,136.98, 231,209.57 and 54,274.46 is: 81,413.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,136.98 : 231,209.57 = 54,274.46 : x
  2. Step 2: Convert to fraction form
    154,136.98/231,209.57 = 54,274.46/x
  3. Step 3: Cross multiply
    154,136.98x = 231,209.57 × 54,274.46
  4. Step 4: Simplify right side
    154,136.98x = 12,548,774,558.58
  5. Step 5: Solve for x
    x = 12,548,774,558.58/154,136.98
  6. Step 6: Final answer
    x = 81,413.13

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1.5x scale

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.