Home / 156,660.32-234,940.72-51,454.80

Finding the Fourth Proportional to 156,660.32, 234,940.72 and 51,454.80

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Solution

The fourth proportional to 156,660.32, 234,940.72 and 51,454.80 is: 77,165.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,660.32 : 234,940.72 = 51,454.80 : x
  2. Step 2: Convert to fraction form
    156,660.32/234,940.72 = 51,454.80/x
  3. Step 3: Cross multiply
    156,660.32x = 234,940.72 × 51,454.80
  4. Step 4: Simplify right side
    156,660.32x = 12,088,827,759.46
  5. Step 5: Solve for x
    x = 12,088,827,759.46/156,660.32
  6. Step 6: Final answer
    x = 77,165.86

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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.