Home / 165,629.04-228,568.60-90,178

Finding the Fourth Proportional to 165,629.04, 228,568.60 and 90,178

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Solution

The fourth proportional to 165,629.04, 228,568.60 and 90,178 is: 124,445.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,629.04 : 228,568.60 = 90,178 : x
  2. Step 2: Convert to fraction form
    165,629.04/228,568.60 = 90,178/x
  3. Step 3: Cross multiply
    165,629.04x = 228,568.60 × 90,178
  4. Step 4: Simplify right side
    165,629.04x = 20,611,859,210.80
  5. Step 5: Solve for x
    x = 20,611,859,210.80/165,629.04
  6. Step 6: Final answer
    x = 124,445.93

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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.