Home / 99,798.30-149,761.70-39,816.54

Finding the Fourth Proportional to 99,798.30, 149,761.70 and 39,816.54

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Solution

The fourth proportional to 99,798.30, 149,761.70 and 39,816.54 is: 59,750.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,798.30 : 149,761.70 = 39,816.54 : x
  2. Step 2: Convert to fraction form
    99,798.30/149,761.70 = 39,816.54/x
  3. Step 3: Cross multiply
    99,798.30x = 149,761.70 × 39,816.54
  4. Step 4: Simplify right side
    99,798.30x = 5,962,992,718.52
  5. Step 5: Solve for x
    x = 5,962,992,718.52/99,798.30
  6. Step 6: Final answer
    x = 59,750.44

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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.