Home / 146,171.75-201,717.02-79,103.75

Finding the Fourth Proportional to 146,171.75, 201,717.02 and 79,103.75

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Solution

The fourth proportional to 146,171.75, 201,717.02 and 79,103.75 is: 109,163.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,171.75 : 201,717.02 = 79,103.75 : x
  2. Step 2: Convert to fraction form
    146,171.75/201,717.02 = 79,103.75/x
  3. Step 3: Cross multiply
    146,171.75x = 201,717.02 × 79,103.75
  4. Step 4: Simplify right side
    146,171.75x = 15,956,572,325.31
  5. Step 5: Solve for x
    x = 15,956,572,325.31/146,171.75
  6. Step 6: Final answer
    x = 109,163.18

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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.