Home / 122,689.35-169,325.24-68,246.82

Finding the Fourth Proportional to 122,689.35, 169,325.24 and 68,246.82

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Solution

The fourth proportional to 122,689.35, 169,325.24 and 68,246.82 is: 94,188.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,689.35 : 169,325.24 = 68,246.82 : x
  2. Step 2: Convert to fraction form
    122,689.35/169,325.24 = 68,246.82/x
  3. Step 3: Cross multiply
    122,689.35x = 169,325.24 × 68,246.82
  4. Step 4: Simplify right side
    122,689.35x = 11,555,908,834.50
  5. Step 5: Solve for x
    x = 11,555,908,834.50/122,689.35
  6. Step 6: Final answer
    x = 94,188.36

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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.