Home / 165,912.86-228,956.82-90,461.36

Finding the Fourth Proportional to 165,912.86, 228,956.82 and 90,461.36

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Solution

The fourth proportional to 165,912.86, 228,956.82 and 90,461.36 is: 124,835.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,912.86 : 228,956.82 = 90,461.36 : x
  2. Step 2: Convert to fraction form
    165,912.86/228,956.82 = 90,461.36/x
  3. Step 3: Cross multiply
    165,912.86x = 228,956.82 × 90,461.36
  4. Step 4: Simplify right side
    165,912.86x = 20,711,745,318.48
  5. Step 5: Solve for x
    x = 20,711,745,318.48/165,912.86
  6. Step 6: Final answer
    x = 124,835.08

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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.