Home / 165,827.57-228,878.97-105,386.42

Finding the Fourth Proportional to 165,827.57, 228,878.97 and 105,386.42

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Solution

The fourth proportional to 165,827.57, 228,878.97 and 105,386.42 is: 145,456.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,827.57 : 228,878.97 = 105,386.42 : x
  2. Step 2: Convert to fraction form
    165,827.57/228,878.97 = 105,386.42/x
  3. Step 3: Cross multiply
    165,827.57x = 228,878.97 × 105,386.42
  4. Step 4: Simplify right side
    165,827.57x = 24,120,735,261.59
  5. Step 5: Solve for x
    x = 24,120,735,261.59/165,827.57
  6. Step 6: Final answer
    x = 145,456.73

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1.5x scale

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.