Home / 165,465.28-228,343.98-123,998.92

Finding the Fourth Proportional to 165,465.28, 228,343.98 and 123,998.92

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Solution

The fourth proportional to 165,465.28, 228,343.98 and 123,998.92 is: 171,119.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,465.28 : 228,343.98 = 123,998.92 : x
  2. Step 2: Convert to fraction form
    165,465.28/228,343.98 = 123,998.92/x
  3. Step 3: Cross multiply
    165,465.28x = 228,343.98 × 123,998.92
  4. Step 4: Simplify right side
    165,465.28x = 28,314,406,908.50
  5. Step 5: Solve for x
    x = 28,314,406,908.50/165,465.28
  6. Step 6: Final answer
    x = 171,119.93

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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.