Home / 203,929.07-305,924.72-104,034.78

Finding the Fourth Proportional to 203,929.07, 305,924.72 and 104,034.78

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Solution

The fourth proportional to 203,929.07, 305,924.72 and 104,034.78 is: 156,068.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,929.07 : 305,924.72 = 104,034.78 : x
  2. Step 2: Convert to fraction form
    203,929.07/305,924.72 = 104,034.78/x
  3. Step 3: Cross multiply
    203,929.07x = 305,924.72 × 104,034.78
  4. Step 4: Simplify right side
    203,929.07x = 31,826,810,421.59
  5. Step 5: Solve for x
    x = 31,826,810,421.59/203,929.07
  6. Step 6: Final answer
    x = 156,068.04

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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.