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Finding the Fourth Proportional to 177,403.30, 266,234.55 and 124,915.30

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Solution

The fourth proportional to 177,403.30, 266,234.55 and 124,915.30 is: 187,464.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,403.30 : 266,234.55 = 124,915.30 : x
  2. Step 2: Convert to fraction form
    177,403.30/266,234.55 = 124,915.30/x
  3. Step 3: Cross multiply
    177,403.30x = 266,234.55 × 124,915.30
  4. Step 4: Simplify right side
    177,403.30x = 33,256,768,683.62
  5. Step 5: Solve for x
    x = 33,256,768,683.62/177,403.30
  6. Step 6: Final answer
    x = 187,464.21

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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.