Home / 156,915.90-235,373.85-50,299.65

Finding the Fourth Proportional to 156,915.90, 235,373.85 and 50,299.65

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Solution

The fourth proportional to 156,915.90, 235,373.85 and 50,299.65 is: 75,449.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,915.90 : 235,373.85 = 50,299.65 : x
  2. Step 2: Convert to fraction form
    156,915.90/235,373.85 = 50,299.65/x
  3. Step 3: Cross multiply
    156,915.90x = 235,373.85 × 50,299.65
  4. Step 4: Simplify right side
    156,915.90x = 11,839,222,274.15
  5. Step 5: Solve for x
    x = 11,839,222,274.15/156,915.90
  6. Step 6: Final answer
    x = 75,449.48

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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.