Home / 165,439.79-228,347.46-93,861.71

Finding the Fourth Proportional to 165,439.79, 228,347.46 and 93,861.71

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Solution

The fourth proportional to 165,439.79, 228,347.46 and 93,861.71 is: 129,552.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,439.79 : 228,347.46 = 93,861.71 : x
  2. Step 2: Convert to fraction form
    165,439.79/228,347.46 = 93,861.71/x
  3. Step 3: Cross multiply
    165,439.79x = 228,347.46 × 93,861.71
  4. Step 4: Simplify right side
    165,439.79x = 21,433,081,928.02
  5. Step 5: Solve for x
    x = 21,433,081,928.02/165,439.79
  6. Step 6: Final answer
    x = 129,552.16

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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.