Home / 165,299.14-228,113.13-89,847.46

Finding the Fourth Proportional to 165,299.14, 228,113.13 and 89,847.46

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Solution

The fourth proportional to 165,299.14, 228,113.13 and 89,847.46 is: 123,989.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,299.14 : 228,113.13 = 89,847.46 : x
  2. Step 2: Convert to fraction form
    165,299.14/228,113.13 = 89,847.46/x
  3. Step 3: Cross multiply
    165,299.14x = 228,113.13 × 89,847.46
  4. Step 4: Simplify right side
    165,299.14x = 20,495,385,323.15
  5. Step 5: Solve for x
    x = 20,495,385,323.15/165,299.14
  6. Step 6: Final answer
    x = 123,989.67

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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.