Home / 156,725.32-234,983.58-56,872.56

Finding the Fourth Proportional to 156,725.32, 234,983.58 and 56,872.56

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Solution

The fourth proportional to 156,725.32, 234,983.58 and 56,872.56 is: 85,270.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,725.32 : 234,983.58 = 56,872.56 : x
  2. Step 2: Convert to fraction form
    156,725.32/234,983.58 = 56,872.56/x
  3. Step 3: Cross multiply
    156,725.32x = 234,983.58 × 56,872.56
  4. Step 4: Simplify right side
    156,725.32x = 13,364,117,752.56
  5. Step 5: Solve for x
    x = 13,364,117,752.56/156,725.32
  6. Step 6: Final answer
    x = 85,270.96

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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.