Home / 156,915.49-235,240.59-68,102.23

Finding the Fourth Proportional to 156,915.49, 235,240.59 and 68,102.23

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Solution

The fourth proportional to 156,915.49, 235,240.59 and 68,102.23 is: 102,095.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,915.49 : 235,240.59 = 68,102.23 : x
  2. Step 2: Convert to fraction form
    156,915.49/235,240.59 = 68,102.23/x
  3. Step 3: Cross multiply
    156,915.49x = 235,240.59 × 68,102.23
  4. Step 4: Simplify right side
    156,915.49x = 16,020,408,765.52
  5. Step 5: Solve for x
    x = 16,020,408,765.52/156,915.49
  6. Step 6: Final answer
    x = 102,095.78

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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.