Home / 103,957.08-155,952.44-40,742.92

Finding the Fourth Proportional to 103,957.08, 155,952.44 and 40,742.92

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Solution

The fourth proportional to 103,957.08, 155,952.44 and 40,742.92 is: 61,120.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,957.08 : 155,952.44 = 40,742.92 : x
  2. Step 2: Convert to fraction form
    103,957.08/155,952.44 = 40,742.92/x
  3. Step 3: Cross multiply
    103,957.08x = 155,952.44 × 40,742.92
  4. Step 4: Simplify right side
    103,957.08x = 6,353,957,786.72
  5. Step 5: Solve for x
    x = 6,353,957,786.72/103,957.08
  6. Step 6: Final answer
    x = 61,120.97

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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.