Home / 99,014.61-148,369.02-66,867.69

Finding the Fourth Proportional to 99,014.61, 148,369.02 and 66,867.69

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Solution

The fourth proportional to 99,014.61, 148,369.02 and 66,867.69 is: 100,198.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,014.61 : 148,369.02 = 66,867.69 : x
  2. Step 2: Convert to fraction form
    99,014.61/148,369.02 = 66,867.69/x
  3. Step 3: Cross multiply
    99,014.61x = 148,369.02 × 66,867.69
  4. Step 4: Simplify right side
    99,014.61x = 9,921,093,634.96
  5. Step 5: Solve for x
    x = 9,921,093,634.96/99,014.61
  6. Step 6: Final answer
    x = 100,198.28

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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.