Home / 104,182.05-156,212.72-91,727.10

Finding the Fourth Proportional to 104,182.05, 156,212.72 and 91,727.10

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Solution

The fourth proportional to 104,182.05, 156,212.72 and 91,727.10 is: 137,537.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,182.05 : 156,212.72 = 91,727.10 : x
  2. Step 2: Convert to fraction form
    104,182.05/156,212.72 = 91,727.10/x
  3. Step 3: Cross multiply
    104,182.05x = 156,212.72 × 91,727.10
  4. Step 4: Simplify right side
    104,182.05x = 14,328,939,330.08
  5. Step 5: Solve for x
    x = 14,328,939,330.08/104,182.05
  6. Step 6: Final answer
    x = 137,537.51

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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.