Home / 122,836.63-169,454.41-75,007.21

Finding the Fourth Proportional to 122,836.63, 169,454.41 and 75,007.21

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Solution

The fourth proportional to 122,836.63, 169,454.41 and 75,007.21 is: 103,473.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,836.63 : 169,454.41 = 75,007.21 : x
  2. Step 2: Convert to fraction form
    122,836.63/169,454.41 = 75,007.21/x
  3. Step 3: Cross multiply
    122,836.63x = 169,454.41 × 75,007.21
  4. Step 4: Simplify right side
    122,836.63x = 12,710,302,516.30
  5. Step 5: Solve for x
    x = 12,710,302,516.30/122,836.63
  6. Step 6: Final answer
    x = 103,473.23

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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.