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Finding the Fourth Proportional to 181,808.55, 272,755.89 and 91,629.63

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Solution

The fourth proportional to 181,808.55, 272,755.89 and 91,629.63 is: 137,466.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,808.55 : 272,755.89 = 91,629.63 : x
  2. Step 2: Convert to fraction form
    181,808.55/272,755.89 = 91,629.63/x
  3. Step 3: Cross multiply
    181,808.55x = 272,755.89 × 91,629.63
  4. Step 4: Simplify right side
    181,808.55x = 24,992,521,281.02
  5. Step 5: Solve for x
    x = 24,992,521,281.02/181,808.55
  6. Step 6: Final answer
    x = 137,466.15

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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.