Home / 165,860.06-228,886.89-90,408.56

Finding the Fourth Proportional to 165,860.06, 228,886.89 and 90,408.56

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Solution

The fourth proportional to 165,860.06, 228,886.89 and 90,408.56 is: 124,763.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,860.06 : 228,886.89 = 90,408.56 : x
  2. Step 2: Convert to fraction form
    165,860.06/228,886.89 = 90,408.56/x
  3. Step 3: Cross multiply
    165,860.06x = 228,886.89 × 90,408.56
  4. Step 4: Simplify right side
    165,860.06x = 20,693,334,127.78
  5. Step 5: Solve for x
    x = 20,693,334,127.78/165,860.06
  6. Step 6: Final answer
    x = 124,763.82

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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.