Home / 123,206.24-170,023.78-69,491.70

Finding the Fourth Proportional to 123,206.24, 170,023.78 and 69,491.70

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Solution

The fourth proportional to 123,206.24, 170,023.78 and 69,491.70 is: 95,898.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,206.24 : 170,023.78 = 69,491.70 : x
  2. Step 2: Convert to fraction form
    123,206.24/170,023.78 = 69,491.70/x
  3. Step 3: Cross multiply
    123,206.24x = 170,023.78 × 69,491.70
  4. Step 4: Simplify right side
    123,206.24x = 11,815,241,512.63
  5. Step 5: Solve for x
    x = 11,815,241,512.63/123,206.24
  6. Step 6: Final answer
    x = 95,898.08

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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.