Home / 122,530.87-169,092.63-68,815.96

Finding the Fourth Proportional to 122,530.87, 169,092.63 and 68,815.96

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Solution

The fourth proportional to 122,530.87, 169,092.63 and 68,815.96 is: 94,966.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,530.87 : 169,092.63 = 68,815.96 : x
  2. Step 2: Convert to fraction form
    122,530.87/169,092.63 = 68,815.96/x
  3. Step 3: Cross multiply
    122,530.87x = 169,092.63 × 68,815.96
  4. Step 4: Simplify right side
    122,530.87x = 11,636,271,662.37
  5. Step 5: Solve for x
    x = 11,636,271,662.37/122,530.87
  6. Step 6: Final answer
    x = 94,966.04

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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.