Home / 165,895.86-228,936.14-90,444.36

Finding the Fourth Proportional to 165,895.86, 228,936.14 and 90,444.36

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Solution

The fourth proportional to 165,895.86, 228,936.14 and 90,444.36 is: 124,813.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,895.86 : 228,936.14 = 90,444.36 : x
  2. Step 2: Convert to fraction form
    165,895.86/228,936.14 = 90,444.36/x
  3. Step 3: Cross multiply
    165,895.86x = 228,936.14 × 90,444.36
  4. Step 4: Simplify right side
    165,895.86x = 20,705,982,663.17
  5. Step 5: Solve for x
    x = 20,705,982,663.17/165,895.86
  6. Step 6: Final answer
    x = 124,813.14

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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.