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Finding the Fourth Proportional to 120,800.80, 181,200.24 and 41,913.76

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Solution

The fourth proportional to 120,800.80, 181,200.24 and 41,913.76 is: 62,870.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,800.80 : 181,200.24 = 41,913.76 : x
  2. Step 2: Convert to fraction form
    120,800.80/181,200.24 = 41,913.76/x
  3. Step 3: Cross multiply
    120,800.80x = 181,200.24 × 41,913.76
  4. Step 4: Simplify right side
    120,800.80x = 7,594,783,371.30
  5. Step 5: Solve for x
    x = 7,594,783,371.30/120,800.80
  6. Step 6: Final answer
    x = 62,870.31

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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.