Home / 165,920.32-228,974.40-102,300.16

Finding the Fourth Proportional to 165,920.32, 228,974.40 and 102,300.16

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Solution

The fourth proportional to 165,920.32, 228,974.40 and 102,300.16 is: 141,176.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,920.32 : 228,974.40 = 102,300.16 : x
  2. Step 2: Convert to fraction form
    165,920.32/228,974.40 = 102,300.16/x
  3. Step 3: Cross multiply
    165,920.32x = 228,974.40 × 102,300.16
  4. Step 4: Simplify right side
    165,920.32x = 23,424,117,755.90
  5. Step 5: Solve for x
    x = 23,424,117,755.90/165,920.32
  6. Step 6: Final answer
    x = 141,176.91

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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.