Home / 122,727.98-169,343.52-69,005.54

Finding the Fourth Proportional to 122,727.98, 169,343.52 and 69,005.54

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Solution

The fourth proportional to 122,727.98, 169,343.52 and 69,005.54 is: 95,215.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,727.98 : 169,343.52 = 69,005.54 : x
  2. Step 2: Convert to fraction form
    122,727.98/169,343.52 = 69,005.54/x
  3. Step 3: Cross multiply
    122,727.98x = 169,343.52 × 69,005.54
  4. Step 4: Simplify right side
    122,727.98x = 11,685,641,043.10
  5. Step 5: Solve for x
    x = 11,685,641,043.10/122,727.98
  6. Step 6: Final answer
    x = 95,215.79

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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.