Home / 136,892.37-188,909.46-76,463.85

Finding the Fourth Proportional to 136,892.37, 188,909.46 and 76,463.85

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Solution

The fourth proportional to 136,892.37, 188,909.46 and 76,463.85 is: 105,518.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,892.37 : 188,909.46 = 76,463.85 : x
  2. Step 2: Convert to fraction form
    136,892.37/188,909.46 = 76,463.85/x
  3. Step 3: Cross multiply
    136,892.37x = 188,909.46 × 76,463.85
  4. Step 4: Simplify right side
    136,892.37x = 14,444,744,613.02
  5. Step 5: Solve for x
    x = 14,444,744,613.02/136,892.37
  6. Step 6: Final answer
    x = 105,518.99

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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.