Home / 122,723.81-169,359.86-69,008.35

Finding the Fourth Proportional to 122,723.81, 169,359.86 and 69,008.35

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Solution

The fourth proportional to 122,723.81, 169,359.86 and 69,008.35 is: 95,232.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,723.81 : 169,359.86 = 69,008.35 : x
  2. Step 2: Convert to fraction form
    122,723.81/169,359.86 = 69,008.35/x
  3. Step 3: Cross multiply
    122,723.81x = 169,359.86 × 69,008.35
  4. Step 4: Simplify right side
    122,723.81x = 11,687,244,879.05
  5. Step 5: Solve for x
    x = 11,687,244,879.05/122,723.81
  6. Step 6: Final answer
    x = 95,232.09

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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.