Home / 185,005.00-255,306.89-100,122.06

Finding the Fourth Proportional to 185,005.00, 255,306.89 and 100,122.06

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Solution

The fourth proportional to 185,005.00, 255,306.89 and 100,122.06 is: 138,168.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,005.00 : 255,306.89 = 100,122.06 : x
  2. Step 2: Convert to fraction form
    185,005.00/255,306.89 = 100,122.06/x
  3. Step 3: Cross multiply
    185,005.00x = 255,306.89 × 100,122.06
  4. Step 4: Simplify right side
    185,005.00x = 25,561,849,981.85
  5. Step 5: Solve for x
    x = 25,561,849,981.85/185,005.00
  6. Step 6: Final answer
    x = 138,168.43

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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.