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Finding the Fourth Proportional to 185,114.97, 255,458.88 and 100,232.03

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Solution

The fourth proportional to 185,114.97, 255,458.88 and 100,232.03 is: 138,320.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,114.97 : 255,458.88 = 100,232.03 : x
  2. Step 2: Convert to fraction form
    185,114.97/255,458.88 = 100,232.03/x
  3. Step 3: Cross multiply
    185,114.97x = 255,458.88 × 100,232.03
  4. Step 4: Simplify right side
    185,114.97x = 25,605,162,762.57
  5. Step 5: Solve for x
    x = 25,605,162,762.57/185,114.97
  6. Step 6: Final answer
    x = 138,320.32

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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.