Home / 165,812.06-228,857.57-105,370.91

Finding the Fourth Proportional to 165,812.06, 228,857.57 and 105,370.91

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Solution

The fourth proportional to 165,812.06, 228,857.57 and 105,370.91 is: 145,435.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,812.06 : 228,857.57 = 105,370.91 : x
  2. Step 2: Convert to fraction form
    165,812.06/228,857.57 = 105,370.91/x
  3. Step 3: Cross multiply
    165,812.06x = 228,857.57 × 105,370.91
  4. Step 4: Simplify right side
    165,812.06x = 24,114,929,993.50
  5. Step 5: Solve for x
    x = 24,114,929,993.50/165,812.06
  6. Step 6: Final answer
    x = 145,435.32

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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.