Home / 156,970.60-235,450.65-68,224.12

Finding the Fourth Proportional to 156,970.60, 235,450.65 and 68,224.12

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Solution

The fourth proportional to 156,970.60, 235,450.65 and 68,224.12 is: 102,333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,970.60 : 235,450.65 = 68,224.12 : x
  2. Step 2: Convert to fraction form
    156,970.60/235,450.65 = 68,224.12/x
  3. Step 3: Cross multiply
    156,970.60x = 235,450.65 × 68,224.12
  4. Step 4: Simplify right side
    156,970.60x = 16,063,413,399.68
  5. Step 5: Solve for x
    x = 16,063,413,399.68/156,970.60
  6. Step 6: Final answer
    x = 102,333.90

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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.