Home / 123,455.28-185,182.92-34,717.80

Finding the Fourth Proportional to 123,455.28, 185,182.92 and 34,717.80

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Solution

The fourth proportional to 123,455.28, 185,182.92 and 34,717.80 is: 52,076.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,455.28 : 185,182.92 = 34,717.80 : x
  2. Step 2: Convert to fraction form
    123,455.28/185,182.92 = 34,717.80/x
  3. Step 3: Cross multiply
    123,455.28x = 185,182.92 × 34,717.80
  4. Step 4: Simplify right side
    123,455.28x = 6,429,143,579.98
  5. Step 5: Solve for x
    x = 6,429,143,579.98/123,455.28
  6. Step 6: Final answer
    x = 52,076.70

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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.