Home / 122,815.23-169,472.92-69,099.06

Finding the Fourth Proportional to 122,815.23, 169,472.92 and 69,099.06

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Solution

The fourth proportional to 122,815.23, 169,472.92 and 69,099.06 is: 95,349.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,815.23 : 169,472.92 = 69,099.06 : x
  2. Step 2: Convert to fraction form
    122,815.23/169,472.92 = 69,099.06/x
  3. Step 3: Cross multiply
    122,815.23x = 169,472.92 × 69,099.06
  4. Step 4: Simplify right side
    122,815.23x = 11,710,419,467.46
  5. Step 5: Solve for x
    x = 11,710,419,467.46/122,815.23
  6. Step 6: Final answer
    x = 95,349.90

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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.