Home / 156,708.31-234,958.08-56,855.56

Finding the Fourth Proportional to 156,708.31, 234,958.08 and 56,855.56

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Solution

The fourth proportional to 156,708.31, 234,958.08 and 56,855.56 is: 85,245.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,708.31 : 234,958.08 = 56,855.56 : x
  2. Step 2: Convert to fraction form
    156,708.31/234,958.08 = 56,855.56/x
  3. Step 3: Cross multiply
    156,708.31x = 234,958.08 × 56,855.56
  4. Step 4: Simplify right side
    156,708.31x = 13,358,673,214.92
  5. Step 5: Solve for x
    x = 13,358,673,214.92/156,708.31
  6. Step 6: Final answer
    x = 85,245.47

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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.