Home / 194,784.30-292,176.45-100,305.90

Finding the Fourth Proportional to 194,784.30, 292,176.45 and 100,305.90

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Solution

The fourth proportional to 194,784.30, 292,176.45 and 100,305.90 is: 150,458.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,784.30 : 292,176.45 = 100,305.90 : x
  2. Step 2: Convert to fraction form
    194,784.30/292,176.45 = 100,305.90/x
  3. Step 3: Cross multiply
    194,784.30x = 292,176.45 × 100,305.90
  4. Step 4: Simplify right side
    194,784.30x = 29,307,021,776.06
  5. Step 5: Solve for x
    x = 29,307,021,776.06/194,784.30
  6. Step 6: Final answer
    x = 150,458.85

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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.