Home / 133,892.28-184,779.90-88,490.61

Finding the Fourth Proportional to 133,892.28, 184,779.90 and 88,490.61

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Solution

The fourth proportional to 133,892.28, 184,779.90 and 88,490.61 is: 122,122.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,892.28 : 184,779.90 = 88,490.61 : x
  2. Step 2: Convert to fraction form
    133,892.28/184,779.90 = 88,490.61/x
  3. Step 3: Cross multiply
    133,892.28x = 184,779.90 × 88,490.61
  4. Step 4: Simplify right side
    133,892.28x = 16,351,286,066.74
  5. Step 5: Solve for x
    x = 16,351,286,066.74/133,892.28
  6. Step 6: Final answer
    x = 122,122.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.