Home / 90,696.60-136,008.45-34,517.43

Finding the Fourth Proportional to 90,696.60, 136,008.45 and 34,517.43

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Solution

The fourth proportional to 90,696.60, 136,008.45 and 34,517.43 is: 51,762.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,696.60 : 136,008.45 = 34,517.43 : x
  2. Step 2: Convert to fraction form
    90,696.60/136,008.45 = 34,517.43/x
  3. Step 3: Cross multiply
    90,696.60x = 136,008.45 × 34,517.43
  4. Step 4: Simplify right side
    90,696.60x = 4,694,662,152.28
  5. Step 5: Solve for x
    x = 4,694,662,152.28/90,696.60
  6. Step 6: Final answer
    x = 51,762.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.