Home / 134,890.13-202,335.03-40,119.92

Finding the Fourth Proportional to 134,890.13, 202,335.03 and 40,119.92

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Solution

The fourth proportional to 134,890.13, 202,335.03 and 40,119.92 is: 60,179.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,890.13 : 202,335.03 = 40,119.92 : x
  2. Step 2: Convert to fraction form
    134,890.13/202,335.03 = 40,119.92/x
  3. Step 3: Cross multiply
    134,890.13x = 202,335.03 × 40,119.92
  4. Step 4: Simplify right side
    134,890.13x = 8,117,665,216.80
  5. Step 5: Solve for x
    x = 8,117,665,216.80/134,890.13
  6. Step 6: Final answer
    x = 60,179.83

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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.