Home / 146,615.64-202,275-82,905.72

Finding the Fourth Proportional to 146,615.64, 202,275 and 82,905.72

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Solution

The fourth proportional to 146,615.64, 202,275 and 82,905.72 is: 114,379.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,615.64 : 202,275 = 82,905.72 : x
  2. Step 2: Convert to fraction form
    146,615.64/202,275 = 82,905.72/x
  3. Step 3: Cross multiply
    146,615.64x = 202,275 × 82,905.72
  4. Step 4: Simplify right side
    146,615.64x = 16,769,754,513
  5. Step 5: Solve for x
    x = 16,769,754,513/146,615.64
  6. Step 6: Final answer
    x = 114,379.03

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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.