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Finding the Fourth Proportional to 169,762.68, 234,279.54 and 94,311

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Solution

The fourth proportional to 169,762.68, 234,279.54 and 94,311 is: 130,153.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,762.68 : 234,279.54 = 94,311 : x
  2. Step 2: Convert to fraction form
    169,762.68/234,279.54 = 94,311/x
  3. Step 3: Cross multiply
    169,762.68x = 234,279.54 × 94,311
  4. Step 4: Simplify right side
    169,762.68x = 22,095,137,696.94
  5. Step 5: Solve for x
    x = 22,095,137,696.94/169,762.68
  6. Step 6: Final answer
    x = 130,153.09

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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.