Home / 122,532.57-169,088.94-68,819.85

Finding the Fourth Proportional to 122,532.57, 169,088.94 and 68,819.85

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Solution

The fourth proportional to 122,532.57, 169,088.94 and 68,819.85 is: 94,968.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,532.57 : 169,088.94 = 68,819.85 : x
  2. Step 2: Convert to fraction form
    122,532.57/169,088.94 = 68,819.85/x
  3. Step 3: Cross multiply
    122,532.57x = 169,088.94 × 68,819.85
  4. Step 4: Simplify right side
    122,532.57x = 11,636,675,487.46
  5. Step 5: Solve for x
    x = 11,636,675,487.46/122,532.57
  6. Step 6: Final answer
    x = 94,968.02

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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.