Home / 195,060.74-269,107.80-122,421.24

Finding the Fourth Proportional to 195,060.74, 269,107.80 and 122,421.24

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Solution

The fourth proportional to 195,060.74, 269,107.80 and 122,421.24 is: 168,893.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,060.74 : 269,107.80 = 122,421.24 : x
  2. Step 2: Convert to fraction form
    195,060.74/269,107.80 = 122,421.24/x
  3. Step 3: Cross multiply
    195,060.74x = 269,107.80 × 122,421.24
  4. Step 4: Simplify right side
    195,060.74x = 32,944,509,957.57
  5. Step 5: Solve for x
    x = 32,944,509,957.57/195,060.74
  6. Step 6: Final answer
    x = 168,893.60

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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.