Home / 165,280.50-228,087.90-89,829

Finding the Fourth Proportional to 165,280.50, 228,087.90 and 89,829

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Solution

The fourth proportional to 165,280.50, 228,087.90 and 89,829 is: 123,964.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,280.50 : 228,087.90 = 89,829 : x
  2. Step 2: Convert to fraction form
    165,280.50/228,087.90 = 89,829/x
  3. Step 3: Cross multiply
    165,280.50x = 228,087.90 × 89,829
  4. Step 4: Simplify right side
    165,280.50x = 20,488,907,969.10
  5. Step 5: Solve for x
    x = 20,488,907,969.10/165,280.50
  6. Step 6: Final answer
    x = 123,964.46

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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.