Home / 203,110.04-304,738.02-90,780.92

Finding the Fourth Proportional to 203,110.04, 304,738.02 and 90,780.92

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Solution

The fourth proportional to 203,110.04, 304,738.02 and 90,780.92 is: 136,203.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,110.04 : 304,738.02 = 90,780.92 : x
  2. Step 2: Convert to fraction form
    203,110.04/304,738.02 = 90,780.92/x
  3. Step 3: Cross multiply
    203,110.04x = 304,738.02 × 90,780.92
  4. Step 4: Simplify right side
    203,110.04x = 27,664,397,814.58
  5. Step 5: Solve for x
    x = 27,664,397,814.58/203,110.04
  6. Step 6: Final answer
    x = 136,203.99

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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.