Home / 115,512.30-173,268.45-102,827.70

Finding the Fourth Proportional to 115,512.30, 173,268.45 and 102,827.70

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Solution

The fourth proportional to 115,512.30, 173,268.45 and 102,827.70 is: 154,241.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,512.30 : 173,268.45 = 102,827.70 : x
  2. Step 2: Convert to fraction form
    115,512.30/173,268.45 = 102,827.70/x
  3. Step 3: Cross multiply
    115,512.30x = 173,268.45 × 102,827.70
  4. Step 4: Simplify right side
    115,512.30x = 17,816,796,196.07
  5. Step 5: Solve for x
    x = 17,816,796,196.07/115,512.30
  6. Step 6: Final answer
    x = 154,241.55

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1.5x scale

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.