Home / 122,740.83-169,362.60-69,022.65

Finding the Fourth Proportional to 122,740.83, 169,362.60 and 69,022.65

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Solution

The fourth proportional to 122,740.83, 169,362.60 and 69,022.65 is: 95,240.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,740.83 : 169,362.60 = 69,022.65 : x
  2. Step 2: Convert to fraction form
    122,740.83/169,362.60 = 69,022.65/x
  3. Step 3: Cross multiply
    122,740.83x = 169,362.60 × 69,022.65
  4. Step 4: Simplify right side
    122,740.83x = 11,689,855,462.89
  5. Step 5: Solve for x
    x = 11,689,855,462.89/122,740.83
  6. Step 6: Final answer
    x = 95,240.15

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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.