Home / 170,625.63-255,938.40-91,631.19

Finding the Fourth Proportional to 170,625.63, 255,938.40 and 91,631.19

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Solution

The fourth proportional to 170,625.63, 255,938.40 and 91,631.19 is: 137,446.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,625.63 : 255,938.40 = 91,631.19 : x
  2. Step 2: Convert to fraction form
    170,625.63/255,938.40 = 91,631.19/x
  3. Step 3: Cross multiply
    170,625.63x = 255,938.40 × 91,631.19
  4. Step 4: Simplify right side
    170,625.63x = 23,451,940,158.70
  5. Step 5: Solve for x
    x = 23,451,940,158.70/170,625.63
  6. Step 6: Final answer
    x = 137,446.76

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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.