Home / 165,247.10-228,040.40-93,640.80

Finding the Fourth Proportional to 165,247.10, 228,040.40 and 93,640.80

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Solution

The fourth proportional to 165,247.10, 228,040.40 and 93,640.80 is: 129,223.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,247.10 : 228,040.40 = 93,640.80 : x
  2. Step 2: Convert to fraction form
    165,247.10/228,040.40 = 93,640.80/x
  3. Step 3: Cross multiply
    165,247.10x = 228,040.40 × 93,640.80
  4. Step 4: Simplify right side
    165,247.10x = 21,353,885,488.32
  5. Step 5: Solve for x
    x = 21,353,885,488.32/165,247.10
  6. Step 6: Final answer
    x = 129,223.97

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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.