Home / 165,568.64-228,471.36-115,376

Finding the Fourth Proportional to 165,568.64, 228,471.36 and 115,376

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Solution

The fourth proportional to 165,568.64, 228,471.36 and 115,376 is: 159,209.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,568.64 : 228,471.36 = 115,376 : x
  2. Step 2: Convert to fraction form
    165,568.64/228,471.36 = 115,376/x
  3. Step 3: Cross multiply
    165,568.64x = 228,471.36 × 115,376
  4. Step 4: Simplify right side
    165,568.64x = 26,360,111,631.36
  5. Step 5: Solve for x
    x = 26,360,111,631.36/165,568.64
  6. Step 6: Final answer
    x = 159,209.57

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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.