Home / 156,920.49-235,248.09-68,107.23

Finding the Fourth Proportional to 156,920.49, 235,248.09 and 68,107.23

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Solution

The fourth proportional to 156,920.49, 235,248.09 and 68,107.23 is: 102,103.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,920.49 : 235,248.09 = 68,107.23 : x
  2. Step 2: Convert to fraction form
    156,920.49/235,248.09 = 68,107.23/x
  3. Step 3: Cross multiply
    156,920.49x = 235,248.09 × 68,107.23
  4. Step 4: Simplify right side
    156,920.49x = 16,022,095,772.69
  5. Step 5: Solve for x
    x = 16,022,095,772.69/156,920.49
  6. Step 6: Final answer
    x = 102,103.27

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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.