Home / 152,016.18-228,122.19-81,944.34

Finding the Fourth Proportional to 152,016.18, 228,122.19 and 81,944.34

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Solution

The fourth proportional to 152,016.18, 228,122.19 and 81,944.34 is: 122,969.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,016.18 : 228,122.19 = 81,944.34 : x
  2. Step 2: Convert to fraction form
    152,016.18/228,122.19 = 81,944.34/x
  3. Step 3: Cross multiply
    152,016.18x = 228,122.19 × 81,944.34
  4. Step 4: Simplify right side
    152,016.18x = 18,693,322,298.90
  5. Step 5: Solve for x
    x = 18,693,322,298.90/152,016.18
  6. Step 6: Final answer
    x = 122,969.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.