Home / 156,915.26-235,240.20-68,102

Finding the Fourth Proportional to 156,915.26, 235,240.20 and 68,102

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Solution

The fourth proportional to 156,915.26, 235,240.20 and 68,102 is: 102,095.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,915.26 : 235,240.20 = 68,102 : x
  2. Step 2: Convert to fraction form
    156,915.26/235,240.20 = 68,102/x
  3. Step 3: Cross multiply
    156,915.26x = 235,240.20 × 68,102
  4. Step 4: Simplify right side
    156,915.26x = 16,020,328,100.40
  5. Step 5: Solve for x
    x = 16,020,328,100.40/156,915.26
  6. Step 6: Final answer
    x = 102,095.41

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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.