Home / 104,181.30-156,211.61-91,726.34

Finding the Fourth Proportional to 104,181.30, 156,211.61 and 91,726.34

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Solution

The fourth proportional to 104,181.30, 156,211.61 and 91,726.34 is: 137,536.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,181.30 : 156,211.61 = 91,726.34 : x
  2. Step 2: Convert to fraction form
    104,181.30/156,211.61 = 91,726.34/x
  3. Step 3: Cross multiply
    104,181.30x = 156,211.61 × 91,726.34
  4. Step 4: Simplify right side
    104,181.30x = 14,328,718,011.12
  5. Step 5: Solve for x
    x = 14,328,718,011.12/104,181.30
  6. Step 6: Final answer
    x = 137,536.37

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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.