Home / 156,765.30-235,188.45-67,998.48

Finding the Fourth Proportional to 156,765.30, 235,188.45 and 67,998.48

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Solution

The fourth proportional to 156,765.30, 235,188.45 and 67,998.48 is: 102,015.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,765.30 : 235,188.45 = 67,998.48 : x
  2. Step 2: Convert to fraction form
    156,765.30/235,188.45 = 67,998.48/x
  3. Step 3: Cross multiply
    156,765.30x = 235,188.45 × 67,998.48
  4. Step 4: Simplify right side
    156,765.30x = 15,992,457,113.56
  5. Step 5: Solve for x
    x = 15,992,457,113.56/156,765.30
  6. Step 6: Final answer
    x = 102,015.29

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1.5x scale

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.