Home / 122,739.52-169,384.80-69,034

Finding the Fourth Proportional to 122,739.52, 169,384.80 and 69,034

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Solution

The fourth proportional to 122,739.52, 169,384.80 and 69,034 is: 95,269.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,739.52 : 169,384.80 = 69,034 : x
  2. Step 2: Convert to fraction form
    122,739.52/169,384.80 = 69,034/x
  3. Step 3: Cross multiply
    122,739.52x = 169,384.80 × 69,034
  4. Step 4: Simplify right side
    122,739.52x = 11,693,310,283.20
  5. Step 5: Solve for x
    x = 11,693,310,283.20/122,739.52
  6. Step 6: Final answer
    x = 95,269.32

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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.