Home / 109,282.78-150,817.18-66,266.38

Finding the Fourth Proportional to 109,282.78, 150,817.18 and 66,266.38

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Solution

The fourth proportional to 109,282.78, 150,817.18 and 66,266.38 is: 91,451.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,282.78 : 150,817.18 = 66,266.38 : x
  2. Step 2: Convert to fraction form
    109,282.78/150,817.18 = 66,266.38/x
  3. Step 3: Cross multiply
    109,282.78x = 150,817.18 × 66,266.38
  4. Step 4: Simplify right side
    109,282.78x = 9,994,108,560.41
  5. Step 5: Solve for x
    x = 9,994,108,560.41/109,282.78
  6. Step 6: Final answer
    x = 91,451.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.