Home / 123,764.69-170,798.92-67,179.71

Finding the Fourth Proportional to 123,764.69, 170,798.92 and 67,179.71

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Solution

The fourth proportional to 123,764.69, 170,798.92 and 67,179.71 is: 92,709.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,764.69 : 170,798.92 = 67,179.71 : x
  2. Step 2: Convert to fraction form
    123,764.69/170,798.92 = 67,179.71/x
  3. Step 3: Cross multiply
    123,764.69x = 170,798.92 × 67,179.71
  4. Step 4: Simplify right side
    123,764.69x = 11,474,221,913.91
  5. Step 5: Solve for x
    x = 11,474,221,913.91/123,764.69
  6. Step 6: Final answer
    x = 92,709.98

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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.