Home / 154,515.33-213,226.17-85,601.96

Finding the Fourth Proportional to 154,515.33, 213,226.17 and 85,601.96

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Solution

The fourth proportional to 154,515.33, 213,226.17 and 85,601.96 is: 118,127.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,515.33 : 213,226.17 = 85,601.96 : x
  2. Step 2: Convert to fraction form
    154,515.33/213,226.17 = 85,601.96/x
  3. Step 3: Cross multiply
    154,515.33x = 213,226.17 × 85,601.96
  4. Step 4: Simplify right side
    154,515.33x = 18,252,577,009.16
  5. Step 5: Solve for x
    x = 18,252,577,009.16/154,515.33
  6. Step 6: Final answer
    x = 118,127.94

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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.