Home / 165,833.06-228,852.96-90,381.56

Finding the Fourth Proportional to 165,833.06, 228,852.96 and 90,381.56

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Solution

The fourth proportional to 165,833.06, 228,852.96 and 90,381.56 is: 124,728.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,833.06 : 228,852.96 = 90,381.56 : x
  2. Step 2: Convert to fraction form
    165,833.06/228,852.96 = 90,381.56/x
  3. Step 3: Cross multiply
    165,833.06x = 228,852.96 × 90,381.56
  4. Step 4: Simplify right side
    165,833.06x = 20,684,087,535.42
  5. Step 5: Solve for x
    x = 20,684,087,535.42/165,833.06
  6. Step 6: Final answer
    x = 124,728.37

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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.