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Finding the Fourth Proportional to 173,136.80, 259,640.40 and 60,773.60

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Solution

The fourth proportional to 173,136.80, 259,640.40 and 60,773.60 is: 91,137.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,136.80 : 259,640.40 = 60,773.60 : x
  2. Step 2: Convert to fraction form
    173,136.80/259,640.40 = 60,773.60/x
  3. Step 3: Cross multiply
    173,136.80x = 259,640.40 × 60,773.60
  4. Step 4: Simplify right side
    173,136.80x = 15,779,281,813.44
  5. Step 5: Solve for x
    x = 15,779,281,813.44/173,136.80
  6. Step 6: Final answer
    x = 91,137.65

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1.5x scale

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.