Home / 125,144.96-187,733.10-40,913.60

Finding the Fourth Proportional to 125,144.96, 187,733.10 and 40,913.60

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Solution

The fourth proportional to 125,144.96, 187,733.10 and 40,913.60 is: 61,375.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,144.96 : 187,733.10 = 40,913.60 : x
  2. Step 2: Convert to fraction form
    125,144.96/187,733.10 = 40,913.60/x
  3. Step 3: Cross multiply
    125,144.96x = 187,733.10 × 40,913.60
  4. Step 4: Simplify right side
    125,144.96x = 7,680,836,960.16
  5. Step 5: Solve for x
    x = 7,680,836,960.16/125,144.96
  6. Step 6: Final answer
    x = 61,375.52

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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.