Home / 156,636.30-234,954.45-51,465.90

Finding the Fourth Proportional to 156,636.30, 234,954.45 and 51,465.90

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Solution

The fourth proportional to 156,636.30, 234,954.45 and 51,465.90 is: 77,198.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,636.30 : 234,954.45 = 51,465.90 : x
  2. Step 2: Convert to fraction form
    156,636.30/234,954.45 = 51,465.90/x
  3. Step 3: Cross multiply
    156,636.30x = 234,954.45 × 51,465.90
  4. Step 4: Simplify right side
    156,636.30x = 12,092,142,228.26
  5. Step 5: Solve for x
    x = 12,092,142,228.26/156,636.30
  6. Step 6: Final answer
    x = 77,198.85

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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.