Home / 165,549.23-228,458.96-90,098.51

Finding the Fourth Proportional to 165,549.23, 228,458.96 and 90,098.51

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Solution

The fourth proportional to 165,549.23, 228,458.96 and 90,098.51 is: 124,336.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,549.23 : 228,458.96 = 90,098.51 : x
  2. Step 2: Convert to fraction form
    165,549.23/228,458.96 = 90,098.51/x
  3. Step 3: Cross multiply
    165,549.23x = 228,458.96 × 90,098.51
  4. Step 4: Simplify right side
    165,549.23x = 20,583,811,892.15
  5. Step 5: Solve for x
    x = 20,583,811,892.15/165,549.23
  6. Step 6: Final answer
    x = 124,336.50

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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.