Home / 165,617.33-228,551.94-90,165.83

Finding the Fourth Proportional to 165,617.33, 228,551.94 and 90,165.83

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Solution

The fourth proportional to 165,617.33, 228,551.94 and 90,165.83 is: 124,428.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,617.33 : 228,551.94 = 90,165.83 : x
  2. Step 2: Convert to fraction form
    165,617.33/228,551.94 = 90,165.83/x
  3. Step 3: Cross multiply
    165,617.33x = 228,551.94 × 90,165.83
  4. Step 4: Simplify right side
    165,617.33x = 20,607,575,368.21
  5. Step 5: Solve for x
    x = 20,607,575,368.21/165,617.33
  6. Step 6: Final answer
    x = 124,428.86

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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.