Home / 128,050.30-192,003.45-49,167.10

Finding the Fourth Proportional to 128,050.30, 192,003.45 and 49,167.10

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Solution

The fourth proportional to 128,050.30, 192,003.45 and 49,167.10 is: 73,723.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,050.30 : 192,003.45 = 49,167.10 : x
  2. Step 2: Convert to fraction form
    128,050.30/192,003.45 = 49,167.10/x
  3. Step 3: Cross multiply
    128,050.30x = 192,003.45 × 49,167.10
  4. Step 4: Simplify right side
    128,050.30x = 9,440,252,826.50
  5. Step 5: Solve for x
    x = 9,440,252,826.50/128,050.30
  6. Step 6: Final answer
    x = 73,723.00

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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.