Home / 156,664.32-234,946.72-51,458.80

Finding the Fourth Proportional to 156,664.32, 234,946.72 and 51,458.80

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Solution

The fourth proportional to 156,664.32, 234,946.72 and 51,458.80 is: 77,171.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,664.32 : 234,946.72 = 51,458.80 : x
  2. Step 2: Convert to fraction form
    156,664.32/234,946.72 = 51,458.80/x
  3. Step 3: Cross multiply
    156,664.32x = 234,946.72 × 51,458.80
  4. Step 4: Simplify right side
    156,664.32x = 12,090,076,275.14
  5. Step 5: Solve for x
    x = 12,090,076,275.14/156,664.32
  6. Step 6: Final answer
    x = 77,171.86

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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.