Home / 165,643.46-228,639.58-94,071.14

Finding the Fourth Proportional to 165,643.46, 228,639.58 and 94,071.14

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Solution

The fourth proportional to 165,643.46, 228,639.58 and 94,071.14 is: 129,847.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,643.46 : 228,639.58 = 94,071.14 : x
  2. Step 2: Convert to fraction form
    165,643.46/228,639.58 = 94,071.14/x
  3. Step 3: Cross multiply
    165,643.46x = 228,639.58 × 94,071.14
  4. Step 4: Simplify right side
    165,643.46x = 21,508,385,939.72
  5. Step 5: Solve for x
    x = 21,508,385,939.72/165,643.46
  6. Step 6: Final answer
    x = 129,847.48

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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.