Home / 165,269.76-228,074.04-89,818.28

Finding the Fourth Proportional to 165,269.76, 228,074.04 and 89,818.28

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Solution

The fourth proportional to 165,269.76, 228,074.04 and 89,818.28 is: 123,950.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,269.76 : 228,074.04 = 89,818.28 : x
  2. Step 2: Convert to fraction form
    165,269.76/228,074.04 = 89,818.28/x
  3. Step 3: Cross multiply
    165,269.76x = 228,074.04 × 89,818.28
  4. Step 4: Simplify right side
    165,269.76x = 20,485,217,985.45
  5. Step 5: Solve for x
    x = 20,485,217,985.45/165,269.76
  6. Step 6: Final answer
    x = 123,950.19

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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.