Home / 156,249.87-234,061.32-71,892.51

Finding the Fourth Proportional to 156,249.87, 234,061.32 and 71,892.51

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Solution

The fourth proportional to 156,249.87, 234,061.32 and 71,892.51 is: 107,694.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,249.87 : 234,061.32 = 71,892.51 : x
  2. Step 2: Convert to fraction form
    156,249.87/234,061.32 = 71,892.51/x
  3. Step 3: Cross multiply
    156,249.87x = 234,061.32 × 71,892.51
  4. Step 4: Simplify right side
    156,249.87x = 16,827,255,788.71
  5. Step 5: Solve for x
    x = 16,827,255,788.71/156,249.87
  6. Step 6: Final answer
    x = 107,694.53

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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.