Home / 154,282.64-231,340.73-69,996.80

Finding the Fourth Proportional to 154,282.64, 231,340.73 and 69,996.80

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Solution

The fourth proportional to 154,282.64, 231,340.73 and 69,996.80 is: 104,957.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,282.64 : 231,340.73 = 69,996.80 : x
  2. Step 2: Convert to fraction form
    154,282.64/231,340.73 = 69,996.80/x
  3. Step 3: Cross multiply
    154,282.64x = 231,340.73 × 69,996.80
  4. Step 4: Simplify right side
    154,282.64x = 16,193,111,563.01
  5. Step 5: Solve for x
    x = 16,193,111,563.01/154,282.64
  6. Step 6: Final answer
    x = 104,957.45

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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.