Home / 156,972.15-235,458.23-50,355.90

Finding the Fourth Proportional to 156,972.15, 235,458.23 and 50,355.90

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Solution

The fourth proportional to 156,972.15, 235,458.23 and 50,355.90 is: 75,533.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,972.15 : 235,458.23 = 50,355.90 : x
  2. Step 2: Convert to fraction form
    156,972.15/235,458.23 = 50,355.90/x
  3. Step 3: Cross multiply
    156,972.15x = 235,458.23 × 50,355.90
  4. Step 4: Simplify right side
    156,972.15x = 11,856,710,832.28
  5. Step 5: Solve for x
    x = 11,856,710,832.28/156,972.15
  6. Step 6: Final answer
    x = 75,533.85

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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.