Home / 146,682.63-202,405.28-82,142.90

Finding the Fourth Proportional to 146,682.63, 202,405.28 and 82,142.90

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Solution

The fourth proportional to 146,682.63, 202,405.28 and 82,142.90 is: 113,347.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,682.63 : 202,405.28 = 82,142.90 : x
  2. Step 2: Convert to fraction form
    146,682.63/202,405.28 = 82,142.90/x
  3. Step 3: Cross multiply
    146,682.63x = 202,405.28 × 82,142.90
  4. Step 4: Simplify right side
    146,682.63x = 16,626,155,251.77
  5. Step 5: Solve for x
    x = 16,626,155,251.77/146,682.63
  6. Step 6: Final answer
    x = 113,347.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.