Home / 84,102.86-126,178.64-24,939.96

Finding the Fourth Proportional to 84,102.86, 126,178.64 and 24,939.96

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Solution

The fourth proportional to 84,102.86, 126,178.64 and 24,939.96 is: 37,417.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,102.86 : 126,178.64 = 24,939.96 : x
  2. Step 2: Convert to fraction form
    84,102.86/126,178.64 = 24,939.96/x
  3. Step 3: Cross multiply
    84,102.86x = 126,178.64 × 24,939.96
  4. Step 4: Simplify right side
    84,102.86x = 3,146,890,234.45
  5. Step 5: Solve for x
    x = 3,146,890,234.45/84,102.86
  6. Step 6: Final answer
    x = 37,417.16

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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.