Home / 122,834.24-169,497.51-69,137.72

Finding the Fourth Proportional to 122,834.24, 169,497.51 and 69,137.72

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Solution

The fourth proportional to 122,834.24, 169,497.51 and 69,137.72 is: 95,402.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,834.24 : 169,497.51 = 69,137.72 : x
  2. Step 2: Convert to fraction form
    122,834.24/169,497.51 = 69,137.72/x
  3. Step 3: Cross multiply
    122,834.24x = 169,497.51 × 69,137.72
  4. Step 4: Simplify right side
    122,834.24x = 11,718,671,304.84
  5. Step 5: Solve for x
    x = 11,718,671,304.84/122,834.24
  6. Step 6: Final answer
    x = 95,402.32

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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.