Home / 165,312.09-228,129.62-89,860.59

Finding the Fourth Proportional to 165,312.09, 228,129.62 and 89,860.59

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Solution

The fourth proportional to 165,312.09, 228,129.62 and 89,860.59 is: 124,007.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,312.09 : 228,129.62 = 89,860.59 : x
  2. Step 2: Convert to fraction form
    165,312.09/228,129.62 = 89,860.59/x
  3. Step 3: Cross multiply
    165,312.09x = 228,129.62 × 89,860.59
  4. Step 4: Simplify right side
    165,312.09x = 20,499,861,800.37
  5. Step 5: Solve for x
    x = 20,499,861,800.37/165,312.09
  6. Step 6: Final answer
    x = 124,007.03

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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.