Home / 156,629.90-234,944.85-51,452.30

Finding the Fourth Proportional to 156,629.90, 234,944.85 and 51,452.30

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Solution

The fourth proportional to 156,629.90, 234,944.85 and 51,452.30 is: 77,178.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,629.90 : 234,944.85 = 51,452.30 : x
  2. Step 2: Convert to fraction form
    156,629.90/234,944.85 = 51,452.30/x
  3. Step 3: Cross multiply
    156,629.90x = 234,944.85 × 51,452.30
  4. Step 4: Simplify right side
    156,629.90x = 12,088,452,905.66
  5. Step 5: Solve for x
    x = 12,088,452,905.66/156,629.90
  6. Step 6: Final answer
    x = 77,178.45

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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.