Home / 156,298.92-234,134.37-71,941.20

Finding the Fourth Proportional to 156,298.92, 234,134.37 and 71,941.20

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Solution

The fourth proportional to 156,298.92, 234,134.37 and 71,941.20 is: 107,767.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,298.92 : 234,134.37 = 71,941.20 : x
  2. Step 2: Convert to fraction form
    156,298.92/234,134.37 = 71,941.20/x
  3. Step 3: Cross multiply
    156,298.92x = 234,134.37 × 71,941.20
  4. Step 4: Simplify right side
    156,298.92x = 16,843,907,539.04
  5. Step 5: Solve for x
    x = 16,843,907,539.04/156,298.92
  6. Step 6: Final answer
    x = 107,767.27

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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.