Home / 156,131.10-234,269.10-49,531.86

Finding the Fourth Proportional to 156,131.10, 234,269.10 and 49,531.86

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Solution

The fourth proportional to 156,131.10, 234,269.10 and 49,531.86 is: 74,320.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,131.10 : 234,269.10 = 49,531.86 : x
  2. Step 2: Convert to fraction form
    156,131.10/234,269.10 = 49,531.86/x
  3. Step 3: Cross multiply
    156,131.10x = 234,269.10 × 49,531.86
  4. Step 4: Simplify right side
    156,131.10x = 11,603,784,263.53
  5. Step 5: Solve for x
    x = 11,603,784,263.53/156,131.10
  6. Step 6: Final answer
    x = 74,320.77

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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.