Home / 156,669.90-235,004.85-45,861.90

Finding the Fourth Proportional to 156,669.90, 235,004.85 and 45,861.90

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Solution

The fourth proportional to 156,669.90, 235,004.85 and 45,861.90 is: 68,792.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,669.90 : 235,004.85 = 45,861.90 : x
  2. Step 2: Convert to fraction form
    156,669.90/235,004.85 = 45,861.90/x
  3. Step 3: Cross multiply
    156,669.90x = 235,004.85 × 45,861.90
  4. Step 4: Simplify right side
    156,669.90x = 10,777,768,930.22
  5. Step 5: Solve for x
    x = 10,777,768,930.22/156,669.90
  6. Step 6: Final answer
    x = 68,792.85

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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.