Home / 125,364.90-187,915.44-41,103.20

Finding the Fourth Proportional to 125,364.90, 187,915.44 and 41,103.20

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Solution

The fourth proportional to 125,364.90, 187,915.44 and 41,103.20 is: 61,611.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,364.90 : 187,915.44 = 41,103.20 : x
  2. Step 2: Convert to fraction form
    125,364.90/187,915.44 = 41,103.20/x
  3. Step 3: Cross multiply
    125,364.90x = 187,915.44 × 41,103.20
  4. Step 4: Simplify right side
    125,364.90x = 7,723,925,913.41
  5. Step 5: Solve for x
    x = 7,723,925,913.41/125,364.90
  6. Step 6: Final answer
    x = 61,611.55

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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.