Home / 165,489.42-228,376.38-90,038.46

Finding the Fourth Proportional to 165,489.42, 228,376.38 and 90,038.46

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Solution

The fourth proportional to 165,489.42, 228,376.38 and 90,038.46 is: 124,253.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,489.42 : 228,376.38 = 90,038.46 : x
  2. Step 2: Convert to fraction form
    165,489.42/228,376.38 = 90,038.46/x
  3. Step 3: Cross multiply
    165,489.42x = 228,376.38 × 90,038.46
  4. Step 4: Simplify right side
    165,489.42x = 20,562,657,555.57
  5. Step 5: Solve for x
    x = 20,562,657,555.57/165,489.42
  6. Step 6: Final answer
    x = 124,253.61

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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.