Home / 178,835.45-268,008.96-90,148.96

Finding the Fourth Proportional to 178,835.45, 268,008.96 and 90,148.96

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Solution

The fourth proportional to 178,835.45, 268,008.96 and 90,148.96 is: 135,100.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,835.45 : 268,008.96 = 90,148.96 : x
  2. Step 2: Convert to fraction form
    178,835.45/268,008.96 = 90,148.96/x
  3. Step 3: Cross multiply
    178,835.45x = 268,008.96 × 90,148.96
  4. Step 4: Simplify right side
    178,835.45x = 24,160,727,674.64
  5. Step 5: Solve for x
    x = 24,160,727,674.64/178,835.45
  6. Step 6: Final answer
    x = 135,100.33

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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.