Home / 181,630.72-272,091.84-102,505.60

Finding the Fourth Proportional to 181,630.72, 272,091.84 and 102,505.60

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Solution

The fourth proportional to 181,630.72, 272,091.84 and 102,505.60 is: 153,558.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,630.72 : 272,091.84 = 102,505.60 : x
  2. Step 2: Convert to fraction form
    181,630.72/272,091.84 = 102,505.60/x
  3. Step 3: Cross multiply
    181,630.72x = 272,091.84 × 102,505.60
  4. Step 4: Simplify right side
    181,630.72x = 27,890,937,314.30
  5. Step 5: Solve for x
    x = 27,890,937,314.30/181,630.72
  6. Step 6: Final answer
    x = 153,558.48

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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.